JAVA基础:eclipse.ini中各个参数的作用计算机二级考试

本文详细解析了Eclipse中JVM参数的配置方法及其作用,包括-Xms、-Xmx、-XX:PermSize和-XX:MaxPermSize等参数的具体含义。同时解答了在不同机器环境下设置相同参数可能导致Eclipse无法启动的问题,并提供了正确的eclipse.ini文件配置示例。

http://peixun.sohu.com/20090428/n042QM142009.shtml

    2009年下半年全国计算机等级考试你准备好了没?考计算机等级考试的朋友,2009年下半年全国计算机等级考试时间是2009年9月19日至23日。
  -vmargs -Xms128M -Xmx512M -XX:PermSize=64M -XX:MaxPermSize=128M
  这里有几个问题:
  1. 各个参数的含义什么?
  2. 为什么有的机器我将-Xmx和-XX:MaxPermSize都设置为512M之后Eclipse可以启动,而有些机器无法启动?
  3. 为何将上面的参数写入到eclipse.ini文件Eclipse没有执行对应的设置?
  下面我们一一进行回答
  1. 各个参数的含义什么?
  参数中-vmargs的意思是设置JVM参数,所以后面的其实都是JVM的参数了,我们首先了解一下JVM内存管理的机制,然后再解释每个参数代表的含义。堆(Heap)和非堆(Non-heap)内存按照官方的说法:“Java 虚拟机具有一个堆,堆是运行时数据区域,所有类实例和数组的内存均从此处分配。堆是在 Java 虚拟机启动时创建的。”“在JVM中堆之外的内存称为非堆内存(Non-heap memory)”。可以看出JVM主要管理两种类型的内存:堆和非堆。简单来说堆就是Java代码可及的内存,是留给开发人员使用的;非堆就是JVM留给自己用的,所以方法区、JVM内部处理或优化所需的内存(如JIT编译后的代码缓存)、每个类结构(如运行时常数池、字段和方法数据)以及方法和构造方法的代码都在非堆内存中。 堆内存分配 JVM初始分配的内存由-Xms指定,默认是物理内存的1/64;JVM最大分配的内存由-Xmx指定,默认是物理内存的1/4。默认空余堆内存小于40%时,JVM就会增大堆直到-Xmx的最大限制;空余堆内存大于70%时,JVM会减少堆直到-Xms的最小限制。因此服务器一般设置-Xms、-Xmx相等以避免在每次GC 后调整堆的大小。 非堆内存分配 JVM使用-XX:PermSize设置非堆内存初始值,默认是物理内存的1/64;由XX:MaxPermSize设置最大非堆内存的大小,默认是物理内存的1/4。 JVM内存限制(最大值) 首先JVM内存限制于实际的最大物理内存(废话!呵呵),假设物理内存无限大的话,JVM内存的最大值跟操作系统有很大的关系。简单的说就32位处理器虽然可控内存空间有4GB,但是具体的操作系统会给一个限制,这个限制一般是2GB-3GB(一般来说Windows系统下为1.5G-2G,Linux系统下为2G-3G),而64bit以上的处理器就不会有限制了。
  2. 为什么有的机器我将-Xmx和-XX:MaxPermSize都设置为512M之后Eclipse可以启动,而有些机器无法启动?
  通过上面对JVM内存管理的介绍我们已经了解到JVM内存包含两种:堆内存和非堆内存,另外JVM最大内存首先取决于实际的物理内存和操作系统。所以说设置VM参数导致程序无法启动主要有以下几种原因:
  1) 参数中-Xms的值大于-Xmx,或者-XX:PermSize的值大于-XX:MaxPermSize;
  2) -Xmx的值和-XX:MaxPermSize的总和超过了JVM内存的最大限制,比如当前操作系统最大内存限制,或者实际的物理内存等等。说到实际物理内存这里需要说明一点的是,如果你的内存是1024MB,但实际系统中用到的并不可能是1024MB,因为有一部分被硬件占用了。
  3. 为何将上面的参数写入到eclipse.ini文件Eclipse没有执行对应的设置?那为什么同样的参数在快捷方式或者命令行中有效而在eclipse.ini文件中是无效的呢?
  这是因为我们没有遵守eclipse.ini文件的设置规则:参数形如“项 值”这种形式,中间有空格的需要换行书写,如果值中有空格的需要用双引号包括起来。比如我们使用-vm C:/Java/jre1.6.0/bin/javaw.exe参数设置虚拟机,在eclipse.ini文件中要写成这样: -vm C:/Java/jre1.6.0/bin/javaw.exe 按照上面所说的,最后参数在eclipse.ini中可以写成这个样子: -vmargs -Xms128M -Xmx512M -XX:PermSize=64M -XX:MaxPermSize=128M 实际运行的结果可以通过Eclipse中“Help”-“About Eclipse SDK”窗口里面的“Configuration Details”按钮进行查看。
  另外需要说明的是,Eclipse压缩包中自带的eclipse.ini文件内容是这样的: -showsplash org.eclipse.platform --launcher.XXMaxPermSize 256m -vmargs -Xms40m -Xmx256m 其中–launcher.XXMaxPermSize(注意最前面是两个连接线)跟-XX:MaxPermSize参数的含义基本是一样的,我觉得唯一的区别就是前者是eclipse.exe启动的时候设置的参数,而后者是eclipse所使用的JVM中的参数。其实二者设置一个就可以了,所以这里可以把–launcher.XXMaxPermSize和下一行使用#注释掉。
  3. 其他的启动参数。 如果你有一个双核的CPU,也许可以尝试这个参数:
  -XX:+UseParallelGC
  让GC可以更快的执行。(只是JDK 5里对GC新增加的参数)

 

运行后报错!ENTRY org.eclipse.osgi 4 0 2025-09-08 09:27:03.790 !MESSAGE Application error !STACK 1 java.lang.RuntimeException: Application "com.infineon.ads.cleanbuild.headless" could not be found in the registry. The applications available are: com.tasking.managedbuilder.headlessbuild, org.eclipse.ant.core.antRunner, org.eclipse.cdt.codan.core.application, org.eclipse.cdt.core.GeneratePDOM, org.eclipse.cdt.core.CodeFormatter, org.eclipse.cdt.managedbuilder.core.headlessbuild, org.eclipse.e4.ui.workbench.swt.E4Application, org.eclipse.e4.ui.workbench.swt.GenTopic, org.eclipse.equinox.app.error, org.eclipse.equinox.p2.director, org.eclipse.equinox.p2.garbagecollector.application, org.eclipse.equinox.p2.publisher.InstallPublisher, org.eclipse.equinox.p2.publisher.EclipseGenerator, org.eclipse.equinox.p2.publisher.ProductPublisher, org.eclipse.equinox.p2.publisher.FeaturesAndBundlesPublisher, org.eclipse.equinox.p2.reconciler.application, org.eclipse.equinox.p2.repository.repo2runnable, org.eclipse.equinox.p2.repository.metadataverifier, org.eclipse.equinox.p2.artifact.repository.mirrorApplication, org.eclipse.equinox.p2.metadata.repository.mirrorApplication, org.eclipse.equinox.p2.touchpoint.natives.nativePackageExtractor, org.eclipse.equinox.p2.updatesite.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.CategoryPublisher, org.eclipse.help.base.infocenterApplication, org.eclipse.help.base.helpApplication, org.eclipse.help.base.indexTool, org.eclipse.ui.ide.workbench. at org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:252) at org.eclipse.equinox.internal.app.MainApplicationLauncher.run(MainApplicationLauncher.java:33) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1447) !SESSION 2025-09-08 09:28:24.351 ----------------------------------------------- eclipse.buildId=1.5.2 java.version=11.0.2 java.vendor=Oracle Corporation BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=zh_CN Framework arguments: -perspective com.infineon.aurix.buildmanager.perspective.c -application com.infineon.ads.cleanbuild.headless -import D:\WORK\8_CODE\GitLab\SK2\new\c-eps\TC336\BSP\Infineon_TC336\Infineon_TC336\ -build .project Command-line arguments: -os win32 -ws win32 -arch x86_64 -perspective com.infineon.aurix.buildmanager.perspective.c -application com.infineon.ads.cleanbuild.headless -data D:\WORK\8_CODE\GitLab\SK2\new\c-eps\TC336\BSP\Infineon_TC336\Infineon_TC336\ -import D:\WORK\8_CODE\GitLab\SK2\new\c-eps\TC336\BSP\Infineon_TC336\Infineon_TC336\ -build .project !ENTRY org.eclipse.osgi 4 0 2025-09-08 09:28:25.501 !MESSAGE Application error !STACK 1 java.lang.RuntimeException: Application "com.infineon.ads.cleanbuild.headless" could not be found in the registry. The applications available are: com.tasking.managedbuilder.headlessbuild, org.eclipse.ant.core.antRunner, org.eclipse.cdt.codan.core.application, org.eclipse.cdt.core.GeneratePDOM, org.eclipse.cdt.core.CodeFormatter, org.eclipse.cdt.managedbuilder.core.headlessbuild, org.eclipse.e4.ui.workbench.swt.E4Application, org.eclipse.e4.ui.workbench.swt.GenTopic, org.eclipse.equinox.app.error, org.eclipse.equinox.p2.director, org.eclipse.equinox.p2.garbagecollector.application, org.eclipse.equinox.p2.publisher.InstallPublisher, org.eclipse.equinox.p2.publisher.EclipseGenerator, org.eclipse.equinox.p2.publisher.ProductPublisher, org.eclipse.equinox.p2.publisher.FeaturesAndBundlesPublisher, org.eclipse.equinox.p2.reconciler.application, org.eclipse.equinox.p2.repository.repo2runnable, org.eclipse.equinox.p2.repository.metadataverifier, org.eclipse.equinox.p2.artifact.repository.mirrorApplication, org.eclipse.equinox.p2.metadata.repository.mirrorApplication, org.eclipse.equinox.p2.touchpoint.natives.nativePackageExtractor, org.eclipse.equinox.p2.updatesite.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.CategoryPublisher, org.eclipse.help.base.infocenterApplication, org.eclipse.help.base.helpApplication, org.eclipse.help.base.indexTool, org.eclipse.ui.ide.workbench. at org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:252) at org.eclipse.equinox.internal.app.MainApplicationLauncher.run(MainApplicationLauncher.java:33) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1447)
09-09
Jun 04, 2025 4:11:52 PM org.apache.ranger.server.tomcat.EmbeddedServer start INFO: Webapp file =./webapp, webAppName = /kms Jun 04, 2025 4:11:52 PM org.apache.ranger.server.tomcat.EmbeddedServer start INFO: Adding webapp [/kms] = path [./webapp] ..... Jun 04, 2025 4:11:52 PM org.apache.ranger.server.tomcat.EmbeddedServer start INFO: Finished init of webapp [/kms] = path [./webapp]. Jun 04, 2025 4:11:52 PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["http-bio-9292"] Jun 04, 2025 4:11:52 PM org.apache.catalina.core.StandardService startInternal INFO: Starting service Tomcat Jun 04, 2025 4:11:52 PM org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet Engine: Apache Tomcat/7.0.81 Jun 04, 2025 4:11:52 PM org.apache.catalina.startup.ContextConfig getDefaultWebXmlFragment INFO: No global web.xml found Jun 04, 2025 4:11:55 PM org.apache.catalina.startup.TldConfig execute INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. log4j:WARN No such property [maxFileSize] in org.apache.log4j.DailyRollingFileAppender. log4j:WARN No such property [maxFileSize] in org.apache.log4j.DailyRollingFileAppender. java.lang.IllegalArgumentException: Can't get Kerberos realm at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:65) at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:306) at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:291) at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:846) at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:816) at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:689) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2954) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2944) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2810) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:390) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.initFileSystem(JavaKeyStoreProvider.java:89) at org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider.<init>(AbstractJavaKeyStoreProvider.java:82) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:49) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:41) at org.apache.hadoop.security.alias.JavaKeyStoreProvider$Factory.createProvider(JavaKeyStoreProvider.java:100) at org.apache.hadoop.security.alias.CredentialProviderFactory.getProviders(CredentialProviderFactory.java:71) at org.apache.ranger.credentialapi.CredentialReader.getDecryptedString(CredentialReader.java:59) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.getFromJceks(RangerKeyStoreProvider.java:368) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.getDBKSConf(RangerKeyStoreProvider.java:118) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.<init>(RangerKeyStoreProvider.java:82) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider$Factory.createProvider(RangerKeyStoreProvider.java:399) at org.apache.hadoop.crypto.key.KeyProviderFactory.get(KeyProviderFactory.java:95) at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:177) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.security.authentication.util.KerberosUtil.getDefaultRealm(KerberosUtil.java:88) at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:63) ... 32 more Caused by: KrbException: Cannot locate default realm at sun.security.krb5.Config.getDefaultRealm(Config.java:1029) ... 38 more java.lang.IllegalArgumentException: Can't get Kerberos realm at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:65) at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:306) at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:291) at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:846) at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:816) at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:689) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2954) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2944) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2810) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:390) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.initFileSystem(JavaKeyStoreProvider.java:89) at org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider.<init>(AbstractJavaKeyStoreProvider.java:82) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:49) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:41) at org.apache.hadoop.security.alias.JavaKeyStoreProvider$Factory.createProvider(JavaKeyStoreProvider.java:100) at org.apache.hadoop.security.alias.CredentialProviderFactory.getProviders(CredentialProviderFactory.java:71) at org.apache.ranger.credentialapi.CredentialReader.getDecryptedString(CredentialReader.java:59) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.getFromJceks(RangerKeyStoreProvider.java:368) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.getDBKSConf(RangerKeyStoreProvider.java:119) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.<init>(RangerKeyStoreProvider.java:82) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider$Factory.createProvider(RangerKeyStoreProvider.java:399) at org.apache.hadoop.crypto.key.KeyProviderFactory.get(KeyProviderFactory.java:95) at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:177) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.security.authentication.util.KerberosUtil.getDefaultRealm(KerberosUtil.java:88) at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:63) ... 32 more Caused by: KrbException: Cannot locate default realm at sun.security.krb5.Config.getDefaultRealm(Config.java:1029) ... 38 more java.lang.IllegalArgumentException: Can't get Kerberos realm at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:65) at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:306) at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:291) at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:846) at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:816) at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:689) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2954) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2944) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2810) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:390) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.initFileSystem(JavaKeyStoreProvider.java:89) at org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider.<init>(AbstractJavaKeyStoreProvider.java:82) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:49) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:41) at org.apache.hadoop.security.alias.JavaKeyStoreProvider$Factory.createProvider(JavaKeyStoreProvider.java:100) at org.apache.hadoop.security.alias.CredentialProviderFactory.getProviders(CredentialProviderFactory.java:71) at org.apache.ranger.credentialapi.CredentialReader.getDecryptedString(CredentialReader.java:59) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.getFromJceks(RangerKeyStoreProvider.java:368) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.<init>(RangerKeyStoreProvider.java:83) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider$Factory.createProvider(RangerKeyStoreProvider.java:399) at org.apache.hadoop.crypto.key.KeyProviderFactory.get(KeyProviderFactory.java:95) at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:177) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.security.authentication.util.KerberosUtil.getDefaultRealm(KerberosUtil.java:88) at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:63) ... 31 more Caused by: KrbException: Cannot locate default realm at sun.security.krb5.Config.getDefaultRealm(Config.java:1029) ... 37 more java.lang.IllegalArgumentException: Can't get Kerberos realm at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:65) at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:306) at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:291) at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:846) at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:816) at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:689) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2954) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2944) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2810) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:390) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.initFileSystem(JavaKeyStoreProvider.java:89) at org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider.<init>(AbstractJavaKeyStoreProvider.java:82) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:49) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:41) at org.apache.hadoop.security.alias.JavaKeyStoreProvider$Factory.createProvider(JavaKeyStoreProvider.java:100) at org.apache.hadoop.security.alias.CredentialProviderFactory.getProviders(CredentialProviderFactory.java:71) at org.apache.ranger.credentialapi.CredentialReader.getDecryptedString(CredentialReader.java:59) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.getFromJceks(RangerKeyStoreProvider.java:368) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.<init>(RangerKeyStoreProvider.java:84) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider$Factory.createProvider(RangerKeyStoreProvider.java:399) at org.apache.hadoop.crypto.key.KeyProviderFactory.get(KeyProviderFactory.java:95) at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:177) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.security.authentication.util.KerberosUtil.getDefaultRealm(KerberosUtil.java:88) at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:63) ... 31 more Caused by: KrbException: Cannot locate default realm at sun.security.krb5.Config.getDefaultRealm(Config.java:1029) ... 37 more java.lang.IllegalArgumentException: Can't get Kerberos realm at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:65) at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:306) at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:291) at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:846) at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:816) at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:689) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2954) at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:2944) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2810) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:390) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.initFileSystem(JavaKeyStoreProvider.java:89) at org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider.<init>(AbstractJavaKeyStoreProvider.java:82) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:49) at org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:41) at org.apache.hadoop.security.alias.JavaKeyStoreProvider$Factory.createProvider(JavaKeyStoreProvider.java:100) at org.apache.hadoop.security.alias.CredentialProviderFactory.getProviders(CredentialProviderFactory.java:71) at org.apache.ranger.credentialapi.CredentialReader.getDecryptedString(CredentialReader.java:59) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.getFromJceks(RangerKeyStoreProvider.java:368) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.<init>(RangerKeyStoreProvider.java:85) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider$Factory.createProvider(RangerKeyStoreProvider.java:399) at org.apache.hadoop.crypto.key.KeyProviderFactory.get(KeyProviderFactory.java:95) at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:177) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.security.authentication.util.KerberosUtil.getDefaultRealm(KerberosUtil.java:88) at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:63) ... 31 more Caused by: KrbException: Cannot locate default realm at sun.security.krb5.Config.getDefaultRealm(Config.java:1029) ... 37 more [EL Severe]: ejb: 2025-06-04 16:11:57.703--ServerSession(987689800)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: java.sql.SQLException: Access denied for user 'rangerkms'@'uc-hb2-zqkj-hadoop-hdp-node01' (using password: YES) Error Code: 1045 javax.persistence.PersistenceException: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: java.sql.SQLException: Access denied for user 'rangerkms'@'uc-hb2-zqkj-hadoop-hdp-node01' (using password: YES) Error Code: 1045 at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:766) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getAbstractSession(EntityManagerFactoryDelegate.java:204) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl(EntityManagerFactoryDelegate.java:304) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:336) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:302) at org.apache.ranger.kms.dao.DaoManager.getEntityManager(DaoManager.java:44) at org.apache.hadoop.crypto.key.RangerKMSDB.initDBConnectivity(RangerKMSDB.java:116) at org.apache.hadoop.crypto.key.RangerKMSDB.<init>(RangerKMSDB.java:81) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.<init>(RangerKeyStoreProvider.java:86) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider$Factory.createProvider(RangerKeyStoreProvider.java:399) at org.apache.hadoop.crypto.key.KeyProviderFactory.get(KeyProviderFactory.java:95) at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:177) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: java.sql.SQLException: Access denied for user 'rangerkms'@'uc-hb2-zqkj-hadoop-hdp-node01' (using password: YES) Error Code: 1045 at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:331) at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:326) at org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:138) at org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162) at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.setOrDetectDatasource(DatabaseSessionImpl.java:204) at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:741) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:239) at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:685) ... 20 more Caused by: java.sql.SQLException: Access denied for user 'rangerkms'@'uc-hb2-zqkj-hadoop-hdp-node01' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:964) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3970) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3906) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:873) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1710) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1226) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:98) ... 25 more java.io.IOException: Master Key Jceks does not exists at org.apache.hadoop.crypto.key.RangerKeyStoreProvider.<init>(RangerKeyStoreProvider.java:92) at org.apache.hadoop.crypto.key.RangerKeyStoreProvider$Factory.createProvider(RangerKeyStoreProvider.java:399) at org.apache.hadoop.crypto.key.KeyProviderFactory.get(KeyProviderFactory.java:95) at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:177) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) ERROR: Hadoop KMS could not be started REASON: java.lang.NullPointerException Stacktrace: --------------------------------------------------- java.lang.NullPointerException at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:178) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1694) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1684) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) ---------------------------------------------------
06-05
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