We recently switched from Adopt OpenJDK 11 to 17 using G1.
Now when parsing the GC-Logs there are many warnings in the GCViewer output:
Jan 05, 2022 7:48:56 PM com.tagtraum.perf.gcviewer.imp.DataReaderUnifiedJvmLogging parseEvent
WARNING: Failed to parse gc event (com.tagtraum.perf.gcviewer.imp.UnknownGcTypeException: Unknown gc type: ' Merge Heap Roots:') on line number 80268 (line="[2022-01-05T19:31:03.896+0100][11354.358s][info][gc,phases ] GC(5340) Merge Heap Roots: 0.7ms")
Jan 05, 2022 7:48:56 PM com.tagtraum.perf.gcviewer.imp.DataReaderUnifiedJvmLogging parseGcMemoryTail
WARNING: Expected only memory in the end of line number 80277 (line="[2022-01-05T19:31:03.896+0100][11354.358s][info][gc,metaspace] GC(5340) Metaspace: 419661K(422592K)->419661K(422592K) NonClass: 376477K(377408K)->376477K(377408K) Class: 43183K(45184K)->43183K(45184K)")
Jan 05, 2022 7:48:56 PM com.tagtraum.perf.gcviewer.imp.DataReaderUnifiedJvmLogging parseEvent
WARNING: Failed to parse gc event (com.tagtraum.perf.gcviewer.imp.UnknownGcTypeException: Unknown gc type: ' Merge Heap Roots:') on line number 80283 (line="[2022-01-05T19:31:19.578+0100][11370.040s][info][gc,phases ] GC(5341) Merge Heap Roots: 1.1ms")
Jan 05, 2022 7:48:56 PM com.tagtraum.perf.gcviewer.imp.DataReaderUnifiedJvmLogging parseGcMemoryTail
WARNING: Expected only memory in the end of line number 80277 (line="[2022-01-05T19:31:03.896+0100][11354.358s][info][gc,metaspace] GC(5340) Metaspace: 419661K(422592K)->419661K(422592K) NonClass: 376477K(377408K)->376477K(377408K) Class: 43183K(45184K)->43183K(45184K)")
We're using the decorators tags,time,uptime,level
Best regards,
Bohne
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