tomcat报错Error pr ocessing request，有没有大神帮忙看看...

最新推荐文章于 2021-05-09 10:58:17 发布

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最新推荐文章于 2021-05-09 10:58:17 发布

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分类专栏： Tomcat 文章标签： Tomcat

本文链接：https://blog.youkuaiyun.com/wuboox/article/details/83504121

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探讨了双主机环境下使用Memcached进行Session共享时出现的错误，特别是在第二台服务器上频繁出现的服务异常问题，包括详细的错误日志和已尝试的解决方案。

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说明：
双主机用memcached做的Session，第一台不报错，第二台有时小量报错有时一报一大批，服务访问显示"服务异常"；
网上找了很多方法(改字符编码，调整tomcat头部大小限制)都不起作用，重启后当时没问题，大概几个小时后又会报同样的错误。

Tomcat环境：

Server version: Apache Tomcat/8.0.32
Server built:   Feb 2 2016 19:34:53 UTC
Server number:  8.0.32.0
OS Name:        Linux
OS Version:     3.10.0-514.26.2.el7.x86_64
Architecture:   amd64
JVM Version:    1.8.0_74-b02
JVM Vendor:     Oracle Corporation

配置文件：

    <Connector port="8083" protocol="HTTP/1.1" connectionTimeout="20000"
        maxHttpHeaderSize="14194304" maxPostSize="4194304"
        redirectPort="8443" URIEncoding='UTF-8' />

报错内容：

29-Oct-2018 11:15:02.777 SEVERE [bxgdisthread-getAfficheList-8eb5aaa0f1a0417da9d4ad6e836eeb68] org.apache.coyote.http11.AbstractHttp11Processor.process Error processing request
java.lang.NullPointerException
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:571)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)

29-Oct-2018 11:15:02.777 SEVERE [bxgdisthread-getAfficheList-8eb5aaa0f1a0417da9d4ad6e836eeb68] org.apache.coyote.http11.AbstractHttp11Processor.endRequest Error finishing response
java.lang.NullPointerException

29-Oct-2018 11:15:14.741 SEVERE [bxgdisthread-findNotArchiveSquadsWithStuCnt-a682fbc87ef348b494dc7a3319366fd0] org.apache.coyote.http11.AbstractHttp11Processor.endRequest Error finishing response
java.lang.NullPointerException

29-Oct-2018 11:15:14.792 SEVERE [bxgdisthread-findExamsByCreatePerson-abc002f7505f44bf94984ef258349440] org.apache.coyote.http11.AbstractHttp11Processor.endRequest Error finishing response
java.lang.NullPointerException

29-Oct-2018 11:15:30.678 SEVERE [bxgdisthread-findByUserId-4187f396dc274c449a793935c02f921b] org.apache.coyote.http11.AbstractHttp11Processor.process Error processing request
java.lang.NullPointerException
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:571)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)

29-Oct-2018 11:15:30.678 SEVERE [bxgdisthread-findByUserId-4187f396dc274c449a793935c02f921b] org.apache.coyote.http11.AbstractHttp11Processor.endRequest Error finishing response
java.lang.NullPointerException

29-Oct-2018 11:15:34.982 SEVERE [bxgdisthread-menuRedPoint-7d3d616f3546443390a91ec2cdff0c9e] org.apache.coyote.http11.AbstractHttp11Processor.process Error processing request
java.lang.NullPointerException

29-Oct-2018 11:15:34.982 SEVERE [bxgdisthread-menuRedPoint-7d3d616f3546443390a91ec2cdff0c9e] org.apache.coyote.http11.AbstractHttp11Processor.endRequest Error finishing response
java.lang.NullPointerException

29-Oct-2018 11:15:51.891 SEVERE [bxgdisthread-menuRedPoint-99da36b292a54380a40409c3b8a181c3] org.apache.coyote.http11.AbstractHttp11Processor.process Error processing request