WSO2 MB 启动错误 [英] WSO2 MB start-up Error

问题描述

我已经下载了 WSO2 MB 2.1.0 并使用 Windows 7 64 位的内置 Cassandra 服务器运行它.但启动过程失败并显示以下错误消息.

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[2013-12-14 11:27:03,371] 错误 {org.apache.cassandra.service.AbstractCassandraDaemon} -线程 Thread[Thread-21,5,main] 中的异常java.lang.OutOfMemoryError:无法创建新的本机线程在 java.lang.Thread.start0(本地方法)在 java.lang.Thread.start(Thread.java:713)在 java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)在 java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)在 org.apache.cassandra.thrift.CustomTThreadPoolServer.serve(CustomTThreadPoolServer.java:103)在 org.apache.cassandra.thrift.CassandraDaemon$ThriftServer.run(CassandraaDaemon.java:213)[2013-12-14 11:27:03,396] 信息 {me.prettyprint.cassandra.service.JmxMonitor} -注册 JMX me.prettyprint.cassandra.service_ClusterOne:ServiceType=hector,监视器类型=赫克托

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我发现了一个相关的错误问题:https://wso2.org/jira/browse/MB-210有谁知道下一个版本是否真的会修复这个错误?或者我必须使用带有外部 Cassandra 服务器的独立部署作为这个建议?http://udarakr.blogspot.tw/2013/09/how-to-overcome-wso2-message-broker.html

解决方案

这个问题与Cassandra有关，在Linux中我遇到了同样的问题，一旦我增加了最大用户进程一切都很好，请参阅写的文章关于这个话题 无法创建新的本地线程和最大用户进程.由于此问题发生在 Windows 中，更好地运行 Cassandra外部并在其上微调Cassandra！

I have download WSO2 MB 2.1.0 and run it with the built-in Cassandra server in Windows 7 64bit. But the start-up procedure failed with the following error message.

[2013-12-14 11:27:03,371] ERROR {org.apache.cassandra.service.AbstractCassandraD
aemon} -
Exception in thread Thread[Thread-21,5,main]
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:713)
at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1371)
at org.apache.cassandra.thrift.CustomTThreadPoolServer.serve(CustomTThre
   adPoolServer.java:103)
at org.apache.cassandra.thrift.CassandraDaemon$ThriftServer.run(Cassandr
   aDaemon.java:213)
[2013-12-14 11:27:03,396]  INFO {me.prettyprint.cassandra.service.JmxMonitor} -
Registering JMX me.prettyprint.cassandra.service_ClusterOne:ServiceType=hector,
MonitorType=hector

I found a related bug issue: https://wso2.org/jira/browse/MB-210 Does anyone know if the next release will really fix this bug? Or I have to use standalone deployment with external Cassandra server as this suggestion? http://udarakr.blogspot.tw/2013/09/how-to-overcome-wso2-message-broker.html

解决方案

This issue is something to do with Cassandra,In Linux i faced the same issue and once i increased the max user processes Everything went fine, Please refer the article written on this topic Unable to create new native thread and max user processes. Since this issue is occurring in Windows, Better to Run Cassandra externally and fine tune the Cassandra on it!

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