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https://issues.apache.org/jira/browse/TOMEE-2200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594992#comment-16594992
 ] 

Cees Bos commented on TOMEE-2200:
---------------------------------

[~jgallimore] 

We did a validation today with the 2.0.7-SNAPSHOT version, we still face the 
same issue as referred by [~dkwakkel]. The issue in OpenWebBeans: 
https://issues.apache.org/jira/browse/OWB-1248

The issue in OpenWebBeans is fixed in 2.0.7, which is not released yet. 
But TomEE uses 1.7.5, for that version it is not fixed or patched. We tried to 
replace some jars with 2.0.7 version, but with no luck so far.

So TomEE 2.0.7 is not ready for Java 11 yet due to the usage of 
sun.misc.Unsafe.defineClass.

> defineClass used which is not supported by java 11
> --------------------------------------------------
>
>                 Key: TOMEE-2200
>                 URL: https://issues.apache.org/jira/browse/TOMEE-2200
>             Project: TomEE
>          Issue Type: Bug
>          Components: TomEE Core Server
>    Affects Versions: 7.0.5
>         Environment: ./catalina.sh version
> Using CATALINA_BASE:   /opt/tomee705
> Using CATALINA_HOME:   /opt/tomee705
> Using CATALINA_TMPDIR: /opt/tomee705/temp
> Using JRE_HOME:        /opt/jdk-11
> Using CLASSPATH:       
> /opt/tomee705/bin/bootstrap.jar:/opt/tomee705/bin/tomcat-juli.jar
> NOTE: Picked up JDK_JAVA_OPTIONS:  
> --add-opens=java.base/java.lang=ALL-UNNAMED 
> --add-opens=java.base/java.io=ALL-UNNAMED 
> --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
> Server version: Apache Tomcat/8.5.32
> Server built:   Jun 20 2018 19:50:35 UTC
> Server number:  8.5.32.0
> OS Name:        Linux
> OS Version:     3.10.0-229.el7.x86_64
> Architecture:   amd64
> JVM Version:    11-ea+21
> JVM Vendor:     Oracle Corporation
>            Reporter: Donald Kwakkel
>            Assignee: Jonathan Gallimore
>            Priority: Critical
>
> Not sure if tomee will support java 11, but with latest java 11 version it is 
> not possible to start tomee:
> {code:java}
> SEVERE: ContainerBase.addChild: start:
> org.apache.catalina.LifecycleException: Failed to start component 
> [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/home]]
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
> at 
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754)
> at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730)
> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
> at 
> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:629)
> at 
> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
> at 
> Criticaljava.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:834)
> Caused by: java.lang.NoClassDefFoundError: Could not initialize class 
> org.apache.openejb.util.proxy.LocalBeanProxyFactory$Unsafe
> at 
> org.apache.openejb.util.proxy.LocalBeanProxyFactory.createProxy(LocalBeanProxyFactory.java:137)
> at 
> org.apache.openejb.util.proxy.LocalBeanProxyFactory.createProxy(LocalBeanProxyFactory.java:147)
> at 
> org.apache.tomee.catalina.TomcatWebAppBuilder.eagerInitOfLocalBeanProxies(TomcatWebAppBuilder.java:1563)
> at 
> org.apache.tomee.catalina.TomcatWebAppBuilder.startInternal(TomcatWebAppBuilder.java:1309)
> at 
> org.apache.tomee.catalina.TomcatWebAppBuilder.configureStart(TomcatWebAppBuilder.java:1125)
> at 
> org.apache.tomee.catalina.GlobalListenerSupport.lifecycleEvent(GlobalListenerSupport.java:133)
> at 
> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
> at 
> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5154)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
> ... 10 more
> {code}
> Reason is that defineClass is used which is no longer supported with java 11 
> (at least here, maybe also on other places):
> container/openejb-core/src/main/java/org/apache/openejb/util/proxy/LocalBeanProxyFactory.java:
> return Unsafe.defineClass(cl, classToProxy, proxyName, proxyBytes);
> Same issue has openwebbeans: https://issues.apache.org/jira/browse/OWB-1248
>  



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