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Using -Xgc:preferredHeapBase with -Xcompressedrefs

Question & Answer


Question

"Why does the JVM report a native out-of-memory (NOOM) when using compressed references? I am using a 64bit JVM and I clearly have plenty of memory left. How can I resolve this problem?"

[{"Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"ARM Category":[{"code":"a8m50000000CdBBAA0","label":"OutOfMemory-\u003ENative-\u003E32-bit compressed references"}],"ARM Case Number":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"7.0.0;8.0.0;8.5.0;8.5.5;9.0.0;9.0.5"}]

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Document Information

Modified date:
03 March 2025

UID

swg21660890