7月分布式项目遇到的错误及解决办法

本文介绍了如何解决MyBatis实体类构造方法与resultClass不匹配的问题,Spring与Dubbo包冲突的解决办法,Shell脚本因格式问题导致的错误以及Zookeeper启动时遇到的EOFException异常。

1.mybatis

ibatis实体类有构造方法resultClass必须和构造方法参数一致否则报错(九宫格抽奖遇到的问题)

2.spring 和 dubbo包冲突

严重: StandardWrapper.Throwable
java.lang.NullPointerException
at org.springframework.core.SerializableTypeWrapper$TypeProxyInvocationHandler.invoke(SerializableTypeWrapper.java:239)
at org.springframework.core.$Proxy15.hashCode(Unknown Source)
at org.springframework.util.ObjectUtils.nullSafeHashCode(ObjectUtils.java:273)
at org.springframework.core.ResolvableType.hashCode(ResolvableType.java:811)
at org.springframework.util.ConcurrentReferenceHashMap.getHash(ConcurrentReferenceHashMap.java:214)
at org.springframework.util.ConcurrentReferenceHashMap.getReference(ConcurrentReferenceHashMap.java:246)
at org.springframework.util.ConcurrentReferenceHashMap.get(ConcurrentReferenceHashMap.java:226)
at org.springframework.core.ResolvableType.forType(ResolvableType.java:1206)
at org.springframework.core.ResolvableType.forType(ResolvableType.java:1176)
at org.springframework.core.ResolvableType.forTypes(ResolvableType.java:856)
at org.springframework.core.ResolvableType.getInterfaces(ResolvableType.java:403)
at org.springframework.core.ResolvableType.as(ResolvableType.java:365)
at org.springframework.core.convert.support.GenericConversionService.getRequiredTypeInfo(GenericConversionService.java:286)
at org.springframework.core.convert.support.GenericConversionService.addConverterFactory(GenericConversionService.java:118)
at org.springframework.core.convert.support.DefaultConversionService.addScalarConverters(DefaultConversionService.java:86)
at org.springframework.core.convert.support.DefaultConversionService.addDefaultConverters(DefaultConversionService.java:67)
at org.springframework.core.convert.support.DefaultConversionService.<init>(DefaultConversionService.java:54)
at org.springframework.core.env.AbstractPropertyResolver.<init>(AbstractPropertyResolver.java:41)
at org.springframework.core.env.PropertySourcesPropertyResolver.<init>(PropertySourcesPropertyResolver.java:41)
at org.springframework.core.env.AbstractEnvironment.<init>(AbstractEnvironment.java:112)
at org.springframework.core.env.StandardEnvironment.<init>(StandardEnvironment.java:54)
at org.springframework.web.context.support.StandardServletEnvironment.<init>(StandardServletEnvironment.java:44)
at org.springframework.web.servlet.HttpServletBean.createEnvironment(HttpServletBean.java:215)
at org.springframework.web.servlet.HttpServletBean.getEnvironment(HttpServletBean.java:205)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:126)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1284)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1197)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1087)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5210)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5493)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3988)
at org.apache.catalina.startup.HostConfig.reload(HostConfig.java:1482)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1465)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1649)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:328)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1374)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1530)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1540)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1519)
at java.lang.Thread.run(Thread.java:744)
六月 12, 2017 5:22:45 下午 org.apache.catalina.core.StandardContext loadOnStartup
严重: Servlet /paic-sys threw load() exception
java.lang.NullPointerException
at org.springframework.core.SerializableTypeWrapper$TypeProxyInvocationHandler.invoke(SerializableTypeWrapper.java:239)
at org.springframework.core.$Proxy15.hashCode(Unknown Source)
at org.springframework.util.ObjectUtils.nullSafeHashCode(ObjectUtils.java:273)
at org.springframework.core.ResolvableType.hashCode(ResolvableType.java:811)
at org.springframework.util.ConcurrentReferenceHashMap.getHash(ConcurrentReferenceHashMap.java:214)
at org.springframework.util.ConcurrentReferenceHashMap.getReference(ConcurrentReferenceHashMap.java:246)
at org.springframework.util.ConcurrentReferenceHashMap.get(ConcurrentReferenceHashMap.java:226)
at org.springframework.core.ResolvableType.forType(ResolvableType.java:1206)
at org.springframework.core.ResolvableType.forType(ResolvableType.java:1176)
at org.springframework.core.ResolvableType.forTypes(ResolvableType.java:856)
at org.springframework.core.ResolvableType.getInterfaces(ResolvableType.java:403)
at org.springframework.core.ResolvableType.as(ResolvableType.java:365)
at org.springframework.core.convert.support.GenericConversionService.getRequiredTypeInfo(GenericConversionService.java:286)
at org.springframework.core.convert.support.GenericConversionService.addConverterFactory(GenericConversionService.java:118)
at org.springframework.core.convert.support.DefaultConversionService.addScalarConverters(DefaultConversionService.java:86)
at org.springframework.core.convert.support.DefaultConversionService.addDefaultConverters(DefaultConversionService.java:67)
at org.springframework.core.convert.support.DefaultConversionService.<init>(DefaultConversionService.java:54)
at org.springframework.core.env.AbstractPropertyResolver.<init>(AbstractPropertyResolver.java:41)
at org.springframework.core.env.PropertySourcesPropertyResolver.<init>(PropertySourcesPropertyResolver.java:41)
at org.springframework.core.env.AbstractEnvironment.<init>(AbstractEnvironment.java:112)
at org.springframework.core.env.StandardEnvironment.<init>(StandardEnvironment.java:54)
at org.springframework.web.context.support.StandardServletEnvironment.<init>(StandardServletEnvironment.java:44)
at org.springframework.web.servlet.HttpServletBean.createEnvironment(HttpServletBean.java:215)
at org.springframework.web.servlet.HttpServletBean.getEnvironment(HttpServletBean.java:205)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:126)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1284)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1197)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1087)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5210)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5493)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3988)
at org.apache.catalina.startup.HostConfig.reload(HostConfig.java:1482)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1465)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1649)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:328)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1374)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1530)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1540)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1519)
at java.lang.Thread.run(Thread.java:744)
六月 12, 2017 5:22:45 下午 org.apache.catalina.core.StandardContext reload

解决办法:
<!-- dubbox jar begin -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>${dubbo.version}</version>
           ###加上这个就对了
<exclusions>  
       <exclusion>  
           <groupId>org.springframework</groupId>
<artifactId>spring</artifactId>   
       </exclusion>  
   </exclusions>  
        </dependency>

3.shell报错

原因是通过windows上传的脚本 是dos编辑的
在Linux中vim sh文件 :set ff可以查看文件格式为dos  修改 set ff=unix 保存之后再执行就正常了

4.zookeeper启动报错

java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:392)
at org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
at org.apache.zookeeper.server.persistence.FileHeader.deserialize(FileHeader.java:64)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.inStreamCreated(FileTxnLog.java:558)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.createInputArchive(FileTxnLog.java:577)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.goToNextLog(FileTxnLog.java:543)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.next(FileTxnLog.java:625)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.init(FileTxnLog.java:529)
at org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.<init>(FileTxnLog.java:504)
at org.apache.zookeeper.server.persistence.FileTxnLog.read(FileTxnLog.java:341)
at org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:167)
at org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223)
at org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:417)
at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:409)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:156)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:116)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:79)


由于以前服务器意外关闭,现在重启服务器 在启动zkServer.sh start的时候 只能启动两台第三台始终启动不了

解决办法:

到data目录下 删除version-2  启动成功


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