[jetty-users] Jetty 9.4.6: NPE in java.lang.System.arraycopy?

[John English <john.foreign@xxxxxxxxx>]

Reviewing my logfiles the other day, I found a load of exception reports 
like the following report in my jetty.log. Is this a known issue, and 
will an upgrade fix it? (I'm using Jetty 9.4.6.)

2019-06-10 05:16:06.312:WARN:oejut.QueuedThreadPool:qtp11514428-6191:
java.lang.NullPointerException
	at java.lang.System.arraycopy(Native Method)
	at com.sun.crypto.provider.GCTR.reset(GCTR.java:125)
	at com.sun.crypto.provider.GCTR.doFinal(GCTR.java:116)
	at 
com.sun.crypto.provider.GaloisCounterMode.doLastBlock(GaloisCounterMode.java:343)
	at 
com.sun.crypto.provider.GaloisCounterMode.decryptFinal(GaloisCounterMode.java:511)
	at com.sun.crypto.provider.CipherCore.finalNoPadding(CipherCore.java:1023)
	at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:960)
	at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:479)
	at javax.crypto.CipherSpi.bufferCrypt(CipherSpi.java:830)
	at javax.crypto.CipherSpi.engineDoFinal(CipherSpi.java:730)
	at javax.crypto.Cipher.doFinal(Cipher.java:2460)
	at sun.security.ssl.CipherBox.decrypt(CipherBox.java:535)
	at sun.security.ssl.EngineInputRecord.decrypt(EngineInputRecord.java:200)
	at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:974)
	at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:907)
	at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781)
	at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)
	at 
org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.fill(SslConnection.java:653)
	at 
org.eclipse.jetty.server.HttpConnection.fillRequestBuffer(HttpConnection.java:322)
	at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:231)
	at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
	at 
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)
	at 
org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
	at 
org.eclipse.jetty.util.thread.Invocable.invokePreferred(Invocable.java:128)
	at 
org.eclipse.jetty.util.thread.Invocable$InvocableExecutor.invoke(Invocable.java:222)
	at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:294)
	at 
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:199)
	at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:673)
	at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:591)
	at java.lang.Thread.run(Thread.java:745)


--
John English

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