统信UOS下达梦数据库启动图形界面应用工具monitor报JAVA相关错：An error has occurred. See the log file

本文链接：https://blog.youkuaiyun.com/laoyuanpython/article/details/143374929

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在这里插入图片描述

一、前言

在博文《基于飞腾2000CPU+浪潮电脑+统信UOS安装达梦数据库详解 https://blog.youkuaiyun.com/LaoYuanPython/article/details/143258863》中介绍了基于飞腾2000CPU+浪潮电脑+统信UOS安装达梦数据库的详细过程，并且安装完毕之后通过disql可以正常访问数据库，以为安装过程没什么问题，但今天培训上课时发现其实还是留坑了。

二、问题现象

今天培训上课时，启动dm数据库下tool目录的图形工具monitor报错：
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查看对应的日志文件，显示日志内容如下：

dmdba@jwp:~/dmdbms/tool/workspace/configuration/monitor$ cat 1730293412876.log
!SESSION 2024-10-30 21:03:32.527 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=21.0.2
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=zh_CN
Framework arguments:  -product com.dameng.monitor.product
Command-line arguments:  -os linux -ws gtk -arch x86_64 -data /home/dmdba/dmdbms/tool/workspace/data/monitor -product com.dameng.monitor.product

!ENTRY org.eclipse.osgi 4 0 2024-10-30 21:03:32.963
!MESSAGE error loading hook: org.eclipse.osgi.internal.baseadaptor.BaseHookConfigurator
!STACK 0
java.lang.reflect.InaccessibleObjectException: Unable to make protected void java.net.URLClassLoader.addURL(java.net.URL) accessible: module java.base does not "opens java.net" to unnamed module @445b84c0
        at java.base/java.lang.reflect.AccessibleObject.throwInaccessibleObjectException(AccessibleObject.java:391)
        at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:367)
        at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:315)
        at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:203)
        at java.base/java.lang.reflect.Method.setAccessible(Method.java:197)
        at org.eclipse.osgi.internal.baseadaptor.BaseStorage.findMethod(BaseStorage.java:167)
        at org.eclipse.osgi.internal.baseadaptor.BaseStorage.findMethod(BaseStorage.java:174)
        at org.eclipse.osgi.internal.baseadaptor.BaseStorage.findAddURLMethod(BaseStorage.java:158)
        at org.eclipse.osgi.internal.baseadaptor.BaseStorage.<init>(BaseStorage.java:128)
        at org.eclipse.osgi.internal.baseadaptor.BaseHookConfigurator.addHooks(BaseHookConfigurator.java:24)
        at org.eclipse.osgi.baseadaptor.HookRegistry.loadConfigurators(HookRegistry.java:178)
        at org.eclipse.osgi.baseadaptor.HookRegistry.initialize(HookRegistry.java:100)
        at org.eclipse.osgi.baseadaptor.BaseAdaptor.<init>(BaseAdaptor.java:89)
        at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
        at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.createAdaptor(EclipseStarter.java:752)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:282)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:175)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1384)

!ENTRY org.eclipse.osgi 4 0 2024-10-30 21:03:33.057
!MESSAGE Startup error
!STACK 1
java.lang.NullPointerException: Cannot invoke "org.eclipse.osgi.internal.baseadaptor.BaseStorage.initialize(org.eclipse.osgi.baseadaptor.BaseAdaptor)" because "this.storage" is null
        at org.eclipse.osgi.baseadaptor.BaseAdaptor.initializeStorage(BaseAdaptor.java:114)
        at org.eclipse.osgi.framework.internal.core.Framework.initialize(Framework.java:185)
        at org.eclipse.osgi.framework.internal.core.Framework.<init>(Framework.java:157)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:286)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:175)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1384)
dmdba@jwp:~/dmdbms/tool/workspace/configuration/monitor$