tomcat运行错误排查,org.apache.coyote.http11.AbstractHttp11Processor process

最近发现服务器的tomcat运行经常报如下错误，虽然不影响正常运行，但是总感觉看着不爽。有bug，必须解决。

但是一直没找到解决办法，最近比较忙，等有空了仔细研究下，搞定它，先记录下来

ar 15, 2017 8:14:49 PM org.apache.coyote.http11.AbstractHttp11Processor process
SEVERE: Error processing request
java.lang.NullPointerException
at org.apache.tomcat.util.buf.CharChunk.append(CharChunk.java:355)
at org.apache.tomcat.util.http.mapper.Mapper.map(Mapper.java:707)
at org.apache.catalina.connector.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:717)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:418)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)

Mar 15, 2017 8:26:27 PM org.apache.coyote.http11.AbstractHttp11Processor process
SEVERE: Error processing request
java.lang.NullPointerException
at org.apache.tomcat.util.buf.CharChunk.append(CharChunk.java:355)
at org.apache.tomcat.util.http.mapper.Mapper.map(Mapper.java:707)
at org.apache.catalina.connector.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:717)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:418)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)