Hi,

I don't see anything related in the changes from 8.5 to 8.6.1

https://github.com/apache/wicket/blob/wicket-8.x/CHANGELOG-8.x

Are you sure these OOMs didn't happen before?

Sven


On 16.01.20 22:52, Илья Нарыжный wrote:
Sven,

It was 8.5 - so not so far away.

Thanks,
Ilya
---------------------------------------------
Orienteer(http://orienteer.org) - open source Business Application Platform

On Thu, Jan 16, 2020 at 11:41 AM Sven Meier <s...@meiers.net> wrote:
What was your previous version?

Sven

Am 16. Januar 2020 19:27:19 MEZ schrieb "Илья Нарыжный" <phan...@ydn.ru>:
Hello,

After upgrading to Wicket 8.6.1 we started seeing periodical OOMs in
logs like below.
I'm not 100% sure that it's due to Wicket, but we didn't change
containers parameters and etc - so at least it's quite suspicious.
Our startup flags:
-XX:+PerfDisableSharedMem -Xmx4G -Xms4G -XX:MaxDirectMemorySize=4G
-XX:+HeapDumpOnOutOfMemoryError
-XX:HeapDumpPath=/app/runtime/heapdump.bin

Btw, except these exceptions in logs - no other negative effects (at
least we didn't reveal so far).

If you have ideas - I will really appreciate.

java.lang.OutOfMemoryError: Direct buffer memory
at java.nio.Bits.reserveMemory(Bits.java:666)
at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311)
at sun.nio.ch.Util.getTemporaryDirectBuffer(Util.java:241)
at sun.nio.ch.IOUtil.write(IOUtil.java:58)
at sun.nio.ch.FileChannelImpl.writeInternal(FileChannelImpl.java:778)
at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:764)
at
org.apache.wicket.pageStore.DiskDataStore$SessionEntry.savePage(DiskDataStore.java:352)
at
org.apache.wicket.pageStore.DiskDataStore.storeData(DiskDataStore.java:185)
at
org.apache.wicket.pageStore.AsynchronousDataStore.storeData(AsynchronousDataStore.java:217)
at
org.apache.wicket.pageStore.AbstractPageStore.storePageData(AbstractPageStore.java:119)
at
org.apache.wicket.pageStore.DefaultPageStore.storePage(DefaultPageStore.java:66)

Thanks,
Ilya
---------------------------------------------
Orienteer(http://orienteer.org) - open source Business Application
Platform

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