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Unable to launch Workstation Client


Article ID: 131071


Updated On:


CA Application Performance Management Agent (APM / Wily / Introscope) INTROSCOPE


Unable to connect to EM using Workstation Client.
There is the following message when connecting to the EM using the Workstation Client.
Sometimes a restart of APM allows temporarily reconnecting to the application. Also noticed that it doesn't disconnect an user who is already connected. 

4/17/19 10:30:41.721 AM CEST [ERROR] [pool-35-thread-5] [$LoggingErrorHandler] Unexpected error occurred in scheduled task.
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30000ms.
at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(


Per Engineering, this seems be a bug, 

However, there is a workaround - Restart the EM and will be able to login through the Workstation client. 


Introscope Workstation Release (Build 991408)
Java VM version "Java HotSpot(TM) Client VM 1.8.0_112" from Oracle Corporation


Open a support case to obtain the fix -


Upgrade to CA APM 10.7 SP3  that contains the fix.