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SEVERE: Error reading request in APP logs After Upgrade to 15.7.1

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Article ID: 186666

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Updated On:

Products

Clarity PPM On Premise

Issue/Introduction

After Upgrading to 15.7.1 and Tomcat 8.5.45, the following messages are found in the APP system app-system.log:

org.apache.coyote.AbstractProtocol$ConnectionHandler process
SEVERE: Error reading request, ignored
java.lang.NullPointerException
      at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.getSslSupport(NioEndpoint.java:1415)
      at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:802)
      at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1504)
      at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
      at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
      at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
      at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      at java.base/java.lang.Thread.run(Thread.java:834)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor doRun
SEVERE:
java.lang.NullPointerException
      at org.apache.coyote.http11.Http11InputBuffer.recycle(Http11InputBuffer.java:282)
      at org.apache.coyote.http11.Http11Processor.recycle(Http11Processor.java:1714)
      at org.apache.coyote.AbstractProtocol$ConnectionHandler.release(AbstractProtocol.java:993)
      at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:961)
      at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1504)
      at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
      at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
      at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
      at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      at java.base/java.lang.Thread.run(Thread.java:834)

Cause

This is caused by a Apache Tomcat bug #63735.

Environment

Release : 15.7.1

Component : CA PPM INTEGRATIONS & INSTALLATIONS

Resolution

The resolution is to upgrade to Tomcat version 8.5.46 or above.
Note: There is no known impact to the application (aside from causing the logs to fill up with the error message)

Additional Information

All Apache Tomcat versions can be found at