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question asked: Mar 22 '17, 1:02 p.m.
question was seen: 2,268 times
last updated: Mar 22 '17, 1:03 p.m.

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Not able to start the WAS v8.5.5 server after executing CFGJAZZSVR on iSeries

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Alex Moore (81●2) | asked Mar 22 '17, 1:02 p.m.
JAZZ DEVELOPER

User not able to start their WAS server during the installation of RTC v4.0.3 due to the following error:
JVMJ9VM015W Initialization error for library j9gc27(2): Failed to instantiate heap; 512M requested                                

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Alex Moore (81●2) | answered Mar 22 '17, 1:03 p.m.
JAZZ DEVELOPER

Check the server.xml to validate the heapsize.  To view the server.xml file goto the following location:
/QIBM/UserData/WebSphere/AppServer/V8x/xx/profiles/<profilename>/config/cells/<cellname>/nodes/<nodename>/servers/<servername>/server.xml.

1.  Verify the Initial heap size and Maximum heap sizes are valid.  By default we set both values to 6144.
2.  Verify the Generic JVM arguments are as follow:
    -Xmn768m -Xgcpolicy:gencon -Xcompressedrefs
    -Xgc:preferredHeapBase=0x200000000

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