# "JMX server connection timeout" & "GC overhead limit exceed"

**URL:** <https://forum.cloverdx.com/t/jmx-server-connection-timeout-gc-overhead-limit-exceed/1240>\
**Category:** CloverDX Platform\
**Created:** [July 4, 2013, 12:00am UTC](https://forum.cloverdx.com/t/jmx-server-connection-timeout-gc-overhead-limit-exceed/1240 "2013-07-04T00:00:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![susheelbusireddy](https://avatars.discourse-cdn.com/v4/letter/s/59ef9b/32.png) [@susheelbusireddy](https://forum.cloverdx.com/u/susheelbusireddy)\
**Post date:** [July 4, 2013, 12:00am UTC](https://forum.cloverdx.com/t/jmx-server-connection-timeout-gc-overhead-limit-exceed/1240/1 "2013-07-04T00:00:00Z")

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Hi,

I am new Clover ETL, i am using community designer.  
I am getting below errors when i tried to load the data into Database from Excel file.

Exception in thread “JMX server connection timeout 41” java.lang.OutOfMemoryError: GC overhead limit exceeded  
Exception in thread “RMI TCP Connection(idle)” java.lang.OutOfMemoryError: GC overhead limit exceeded  
Exception in thread “RMI TCP Connection(idle)” java.lang.OutOfMemoryError: Java heap space

Please help me to solve this issue.  
Thanks in advance.

Regards,  
Susheel Reddy

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**Author:** ![imriskal](https://avatars.discourse-cdn.com/v4/letter/i/b38774/32.png) [@imriskal](https://forum.cloverdx.com/u/imriskal)\
**Post date:** [July 8, 2013, 6:57am UTC](https://forum.cloverdx.com/t/jmx-server-connection-timeout-gc-overhead-limit-exceed/1240/2 "2013-07-08T06:57:11Z")

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Hi Susheel,

You can increase Java memory size (-Xmx) via Run → Run configurations… to e.g. 1024 MB or 2048 MB or more, depending on memory requirements of your graph. Please, let me know if this does not help you.

Best regards,