Symptom
When using Oauth authentication and below is observed:
- Number of HTTP threads in worker node in Critical state
- When the thread dump is taken, you will see a stack trace similar to below in most of the thread
java.lang.Thread.State: WAITING (parking)
at jdk.internal.misc.Unsafe.park(ZJ)V(Native Method)
- parking to wait for <0x00000005bde957b0> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync)
at sun.misc.Unsafe.park(ZJ)V(Unsafe.java:1079)
at java.util.concurrent.locks.LockSupport.park(Ljava/lang/Object;)V(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt()Z(AbstractQueuedSynchronizer.java:836)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(I)V(AbstractQueuedSynchronizer.java:967)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(I)V(AbstractQueuedSynchronizer.java:1283)
at java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock()V(ReentrantReadWriteLock.java:760)
at com.sap.it.rt.authorization.oauth.OAuthManager.getOAuthCredentialForAliasAndId(Ljava/lang/String;Ljava/lang/String;)Lcom/sap/it/rt/authorization/oauth/model/OAuthCredentialModel;(OAuthManager.java:333)
at com.sap.it.rt.authorization.oauth.OAuthManager.getOAuthCredential(Ljava/lang/String;)Lcom/sap/it/rt/authorization/oauth/model/OAuthCredentialModel;(OAuthManager.java:119)
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Environment
Neo and CF
Product
Keywords
KBA , LOD-HCI-PI-CON-HTP , HTTP Adapter , Problem
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