We are noticing the SMD agents are showing offline in the Agent admin page.
We have changed the dispatcher scalability based on the below wiki. We still have the issue.
Diagnostics Agent Troubleshooting - SAP Solution Manager Setup - SCN Wiki
Checked through the logs & found issues with the server application thread.
Please find the error log & screen shots.
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{0}#1#java.lang.RuntimeException: ExtendedPooledExecutor is blocked : maximum pool size : 30, current pool size :61
{0}#1#java.lang.RuntimeException: ExtendedPooledExecutor is blocked : maximum pool size : 30, current pool size :61
0#1e6c3164288e11e4993800001f3c9d02#SAPEngine_Application_Thread[impl:3]_210##0#0#Error##Plain###java.lang.RuntimeException: ExtendedPooledExecutor is blocked : maximum pool size : 30, current pool size :61#
#1.#E6B57E4AD726010A000498C3006700C400050112D77218CC#1408555319171#com.sap.engine.core.thread.impl3.SingleThread##com.sap.engine.core.thread.impl3.SingleThread.SingleThread.execute().RuntimeException#J2EE_GUEST#0##1E6C3164288E11E4993800001F3C9D02#1e6c3164288e11e4993800001f3c9d02-0#1e6c3164288e11e4993800001f3c9d02#SAPEngine_Application_Thread[impl:3]_210##0#0#Error##Plain###java.lang.RuntimeException: ExtendedPooledExecutor is blocked : maximum pool size : 30, current pool size :61
Kindly Advice.