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HTTP 503 error by the adapter framework

Hi all,

We are using the File Adapter and SOAP adapters to process files and create IDoc in ERP system. However, the files has not been processed and the system issues an error message of "HTTP 503 Service Unavailable". Our system is PO 7.4 Java-only system, which use AEX engine.


In the PI system log, we found the error message as being seen below:




We then examined the SOAP Receive Adapter, since it involves in this scenario. When we checked the target URL of the SOAP Receiver adapter, we found that JPR connection stopped:




We don't know how to start the connection. We restarted the system, but it did not help. In the component monitor, we found the Central Adapter Engine has errors as being shown below:





It seems that the error related to java connection resource:

Connection registration failed for connection JPR on node 201378450 due to: Failed to register connection JPR. Reason: com.sap.engine.interfaces.messaging.api.exception.MessagingException: Failed to load messages into Queue JPRRecv from database. Reason: com.sap.engine.services.dbpool.exceptions.BaseSQLException: ResourceException occurred in method ConnectionFactoryImpl.getConnection(): javax.resource.ResourceException: (Failed in component: dbpool, BC-JAS-TRH) Cannot create connection. Possible reasons: 1)Maximum allowed connections to DB or EIS is reached. You can apply CSN Note 719778 in order to check and resolve connection leaks. 2) Configuration to DB/EIS is wrong or DB/EIS is temporary unreachable. 3) Connections are not enough for current load.

I want to try to increase the number of connections or waiting time as suggested in the note 719778 to see if it fix the error. However, since we have Netweaver 7.4 with Java-only PO system, the Visual Admin tool is no longer exist, I don’t know how to change those setting.

We cannot find any note or discussion relevant to troubleshoot the issue, so I would like to ask for any hint to deal with the problem. I would be very grateful for any feedback.


Best regards,

Duy

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