Sure thing. Is 0.8.0-snapshot hosted anywhere or is that something that needs to be built? Regards Adam
> On Aug 23, 2020, at 12:31 PM, Christofer Dutz <christofer.d...@c-ware.de> > wrote: > > Hmm ... > > Could you possibly give 0.8.0-SNAPSHOT a try? .... or 0.6.x? ... 0.7.0 was > the first of the new generation drivers. We're maintaining the 0.6 branch and > working hard on making the new generation drivers 100% production ready. > > Chris > > > Am 23.08.20, 18:06 schrieb "Adam Rossi" <ac.ro...@gmail.com>: > > This is the latest 0.7.0 release from Maven. > > > Regards Adam > >> On Aug 23, 2020, at 11:56 AM, Christofer Dutz <christofer.d...@c-ware.de> >> wrote: >> >> Hi Adam, >> >> which version of PLC4X are you using? I know we had similar reports some >> time ago, but had thought we had fixed them >> >> Chris >> >> >> >> Am 23.08.20, 16:40 schrieb "Adam Rossi" <ac.ro...@gmail.com>: >> >> Howdy. I am seeing a persistent thread being created for every >> plcConnection connect which looks like the following: >> >> Name: nioEventLoopGroup-11-1 >> State: RUNNABLE >> Total blocked: 0 Total waited: 0 >> >> Stack trace: >> java.base@13.0.2/sun.nio.ch.EPoll.wait(Native Method) >> java.base@13.0.2 >> /sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120) >> java.base@13.0.2 >> /sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124) >> - locked io.netty.channel.nio.SelectedSelectionKeySet@f6df6b >> - locked sun.nio.ch.EPollSelectorImpl@7ffc19 >> java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141) >> >> app//io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:68) >> app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:803) >> app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:457) >> >> app//io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) >> >> app//io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) >> >> app//io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) >> java.base@13.0.2/java.lang.Thread.run(Thread.java:830) >> >> >> This happens both when creating a connection directly or when using the >> plc4x connection pool. >> >> In both cases I am obtaining the connection, reading some modbus values, >> and then closing the connection. From the plcConnection metadata the >> connection type I am using is: >> >> org.apache.plc4x.java.spi.connection.DefaultNettyPlcConnection >> >> Over time thousands of these nioEventLoopGroup threads are created and I >> experience an OutOfMemory error in my program. >> >> Has anyone experienced this problem? Is there a way to force these threads >> to close, timeout, or to specify the total thread limit? >> >> Thanks and Regards, Adam >> >