[DIRMINA-1118] NPE in SslHandler.checkStatus

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.3
• Fix Version/s: 2.1.4
• Assignee: Jonathan Valliere
• Reporter: Christoph John
• Created: 12/Aug/19 09:09
• Updated: 21/Sep/21 03:15
• Resolved: 31/Jul/21 07:58

Description

Since some days we receive this NPE on our build server when running tests. Interestingly this occurs since OpenJDK has been switched from 8.192 to 8.222. However, it is probably just coincidence.

<20190810-14:45:11, FIX.4.4:ALFA0->ZULU0, error> (java.lang.NullPointerException
java.lang.NullPointerException
	at org.apache.mina.filter.ssl.SslHandler.checkStatus(SslHandler.java:539)
	at org.apache.mina.filter.ssl.SslHandler.messageReceived(SslHandler.java:374)
	at org.apache.mina.filter.ssl.SslFilter.messageReceived(SslFilter.java:517)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128)
	at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:122)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128)
	at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:122)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:643)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:539)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$1200(AbstractPollingIoProcessor.java:68)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1222)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1211)
	at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:683)
	at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

https://github.com/apache/mina/blame/2.1.X/mina-core/src/main/java/org/apache/mina/filter/ssl/SslHandler.java#L539

IMHO when polling a queue then NULL can also be returned.

Issue Links

• is part of: DIRMINA-1132 TLSv1.3 - MINA randomly fails in reading the message sent by client