How to resolve MQRC_MAX_CONNS_LIMIT_REACHED error in TIBCO ActiveMatrix BusinessWorks Plug-in for WebSphere MQ

How to resolve MQRC_MAX_CONNS_LIMIT_REACHED error in TIBCO ActiveMatrix BusinessWorks Plug-in for WebSphere MQ

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Article ID: KB0083970

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Updated On:

Products Versions
TIBCO ActiveMatrix BusinessWorks Plug-in for IBM MQ 7.6.0,7.5.0

Description

Sometimes the plugin runs into the following error. The MQ plugin application cannot put or get messages due to this error.
  
MQRC_MAX_CONNS_LIMIT_REACHED - process Job-16149 Error in [process/sender to mq]
Error connecting to queue manager: {CCDT URL=file:////opt/sw/tibco/mqqmgrs/AMQCLCHL.TAB, userID=1234, transport=MQSeries Client}
MQRC_MAX_CONNS_LIMIT_REACHED
	at com.tibco.plugin.bwmq.impl.MqClient.createQueueManager(MqClient.java:810)
	at com.tibco.plugin.bwmq.impl.MqClient.init(MqClient.java:249)
	at com.tibco.plugin.bwmq.impl.MqClient.<init>(MqClient.java:157)
	at com.tibco.plugin.bwmq.MqPutActivity.eval(MqPutActivity.java:247)
	at com.tibco.pe.plugin.Activity.eval(Unknown Source)
	at com.tibco.pe.core.TaskImpl.eval(Unknown Source)
	at com.tibco.pe.core.Job.a(Unknown Source)
	at com.tibco.pe.core.Job.k(Unknown Source)
	at com.tibco.pe.core.JobDispatcher$JobCourier.a(Unknown Source)
	at com.tibco.pe.core.JobDispatcher$JobCourier.run(Unknown Source)

Issue/Introduction

How to resolve the MQRC_MAX_CONNS_LIMIT_REACHED error in TIBCO ActiveMatrix BusinessWorks Plug-in for WebSphere MQ.

Resolution

MQRC_MAX_CONNS_LIMIT_REACHED, Reason Code 2025 means that the maximum connection limit has been reached. The MQ client call is rejected because the maximum number of concurrent connections has been exceeded. The solution is to increase the maximum connection limit large enough both on the MQ server and the MQ client side. On TIBCO ActiveMatrix BusinessWorks Plug-in for WebSphere MQ, there is an MQ Connection resource. Increase Max connections when you have pooling enabled. On the MQ server side, increase Maximum instances and Maximum instances per client of the server connection channel your MQ plugin connects to.

Additional Information


https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_7.5.0/com.ibm.mq.tro.doc/q040980_.htm
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