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Pinning in TODO app backend #109

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danielkec opened this issue Dec 16, 2024 · 1 comment
Open

Pinning in TODO app backend #109

danielkec opened this issue Dec 16, 2024 · 1 comment
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4.x bug Something isn't working

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@danielkec
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danielkec commented Dec 16, 2024 •
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DbService CDI bean has parking instruction in constructor, which is locked in synchronize block by Weld.

helidon-examples/examples/todo-app/backend/src/main/java/io/helidon/examples/todos/backend/DbService.java

Lines 68 to 82 in f5dc9bf

public DbService(Config config) {
Cluster.Builder clusterBuilder = Cluster.builder()
.withoutMetrics();
Config cConfig = config.get("cassandra");
cConfig.get("servers").asList(Config.class).stream()
.flatMap(Collection::stream)
.map(server -> server.get("host").asString().get())
.forEach(clusterBuilder::addContactPoints);
cConfig.get("port").asInt().ifPresent(clusterBuilder::withPort);
Cluster cluster = clusterBuilder.build();
session = cluster.connect("backend");
listStatement = session.prepare(LIST_QUERY); 

-------------------------------------------------------------------------------
Test set: io.helidon.examples.todos.backend.BackendTests
-------------------------------------------------------------------------------
Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 16.206 s <<< FAILURE! - in io.helidon.examples.todos.backend.BackendTests
io.helidon.examples.todos.backend.BackendTests  Time elapsed: 16.206 s  <<< FAILURE!
io.helidon.microprofile.testing.common.PinningException: 
Pinned virtual threads were detected:
jdk.VirtualThreadPinned {
  startTime = 14:35:26.404 (2024-12-16)
  duration = 22.0 ms
  eventThread = "[0x524f5994 0x51a37d60] WebServer socket" (javaThreadId = 68, virtual)
  stackTrace = [
    java.lang.VirtualThread.parkOnCarrierThread(boolean, long) line: 689
    java.lang.VirtualThread.park() line: 607
    java.lang.System$2.parkVirtualThread() line: 2643
    jdk.internal.misc.VirtualThreads.park() line: 54
    java.util.concurrent.locks.LockSupport.park(Object) line: 219
    ...
  ]
}


	at java.lang.VirtualThread.parkOnCarrierThread(java.lang.VirtualThread.java:689)
	at java.lang.VirtualThread.park(java.lang.VirtualThread.java:607)
	at java.lang.System$2.parkVirtualThread(java.lang.System$2.java:2643)
	at jdk.internal.misc.VirtualThreads.park(jdk.internal.misc.VirtualThreads.java:54)
	at java.util.concurrent.locks.LockSupport.park(java.util.concurrent.locks.LockSupport.java:219)
	at com.google.common.util.concurrent.AbstractFuture.get(com.google.common.util.concurrent.AbstractFuture.java:561)
	at com.google.common.util.concurrent.FluentFuture$TrustedFuture.get(com.google.common.util.concurrent.FluentFuture$TrustedFuture.java:91)
	at com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly(com.google.common.util.concurrent.Uninterruptibles.java:247)
	at com.datastax.driver.core.AbstractSession.prepare(com.datastax.driver.core.AbstractSession.java:84)
	at io.helidon.examples.todos.backend.DbService.<init>(io.helidon.examples.todos.backend.DbService.java:82)
	at java.lang.invoke.DirectMethodHandle$Holder.newInvokeSpecial(java.lang.invoke.DirectMethodHandle$Holder.java)
	at java.lang.invoke.LambdaForm$MH+0x00007f7b7c014400.1347870667.invoke(java.lang.invoke.LambdaForm$MH+0x00007f7b7c014400.1347870667.java)
	at java.lang.invoke.Invokers$Holder.invokeExact_MT(java.lang.invoke.Invokers$Holder.java)
	at jdk.internal.reflect.DirectConstructorHandleAccessor.invokeImpl(jdk.internal.reflect.DirectConstructorHandleAccessor.java:87)
	at jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(jdk.internal.reflect.DirectConstructorHandleAccessor.java:62)
	at java.lang.reflect.Constructor.newInstanceWithCaller(java.lang.reflect.Constructor.java:502)
	at java.lang.reflect.Constructor.newInstance(java.lang.reflect.Constructor.java:486)
	at org.jboss.weld.injection.ConstructorInjectionPoint.newInstance(org.jboss.weld.injection.ConstructorInjectionPoint.java:119)
	at org.jboss.weld.injection.ConstructorInjectionPoint.invokeAroundConstructCallbacks(org.jboss.weld.injection.ConstructorInjectionPoint.java:92)
	at org.jboss.weld.injection.ConstructorInjectionPoint.newInstance(org.jboss.weld.injection.ConstructorInjectionPoint.java:78)
	at org.jboss.weld.injection.producer.AbstractInstantiator.newInstance(org.jboss.weld.injection.producer.AbstractInstantiator.java:28)
	at org.jboss.weld.injection.producer.BasicInjectionTarget.produce(org.jboss.weld.injection.producer.BasicInjectionTarget.java:112)
	at org.jboss.weld.injection.producer.BeanInjectionTarget.produce(org.jboss.weld.injection.producer.BeanInjectionTarget.java:186)
	at org.jboss.weld.bean.ManagedBean.create(org.jboss.weld.bean.ManagedBean.java:160)
	at org.jboss.weld.contexts.AbstractContext.get(org.jboss.weld.contexts.AbstractContext.java:96)
	at org.jboss.weld.bean.ContextualInstanceStrategy$DefaultContextualInstanceStrategy.get(org.jboss.weld.bean.ContextualInstanceStrategy$DefaultContextualInstanceStrategy.java:100)
	at org.jboss.weld.bean.ContextualInstanceStrategy$ApplicationScopedContextualInstanceStrategy.get(org.jboss.weld.bean.ContextualInstanceStrategy$ApplicationScopedContextualInstanceStrategy.java:140)
	at org.jboss.weld.bean.ContextualInstance.get(org.jboss.weld.bean.ContextualInstance.java:50)
	at org.jboss.weld.bean.proxy.ContextBeanInstance.getInstance(org.jboss.weld.bean.proxy.ContextBeanInstance.java:102)
	at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(org.jboss.weld.bean.proxy.ProxyMethodHandler.java:105)
	at io.helidon.examples.todos.backend.DbService$Proxy$_$$_WeldClientProxy.insert(io.helidon.examples.todos.backend.DbService$Proxy$_$$_WeldClientProxy.java)
	at io.helidon.examples.todos.backend.JaxRsBackendResource.createIt(io.helidon.examples.todos.backend.JaxRsBackendResource.java:139)
	at io.helidon.examples.todos.backend.JaxRsBackendResource$Proxy$_$$_WeldSubclass.createIt(io.helidon.examples.todos.backend.JaxRsBackendResource$Proxy$_$$_WeldSubclass.java)
	at io.helidon.examples.todos.backend.JaxRsBackendResource$Proxy$_$$_WeldClientProxy.createIt(io.helidon.examples.todos.backend.JaxRsBackendResource$Proxy$_$$_WeldClientProxy.java)
	at java.lang.invoke.LambdaForm$DMH+0x00007f7b7c5b0400.854788294.invokeVirtual(java.lang.invoke.LambdaForm$DMH+0x00007f7b7c5b0400.854788294.java)
	at java.lang.invoke.LambdaForm$MH+0x00007f7b7c72c800.352664287.invoke(java.lang.invoke.LambdaForm$MH+0x00007f7b7c72c800.352664287.java)
	at java.lang.invoke.LambdaForm$MH+0x00007f7b7c2a9400.1891673045.invokeExact_MT(java.lang.invoke.LambdaForm$MH+0x00007f7b7c2a9400.1891673045.java)
	at jdk.internal.reflect.DirectMethodHandleAccessor.invokeImpl(jdk.internal.reflect.DirectMethodHandleAccessor.java:155)
	at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(jdk.internal.reflect.DirectMethodHandleAccessor.java:103)
	at java.lang.reflect.Method.invoke(java.lang.reflect.Method.java:580)
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.java:52)
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$$Lambda+0x00007f7b7c64e4d8.1428992213.invoke(org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$$Lambda+0x00007f7b7c64e4d8.1428992213.java)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.java:146)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.java:189)
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.java:176)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.java:93)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(org.glassfish.jersey.server.model.ResourceMethodInvoker.java:478)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(org.glassfish.jersey.server.model.ResourceMethodInvoker.java:400)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(org.glassfish.jersey.server.model.ResourceMethodInvoker.java:81)
	at org.glassfish.jersey.server.ServerRuntime$1.run(org.glassfish.jersey.server.ServerRuntime$1.java:274)
	at org.glassfish.jersey.internal.Errors$1.call(org.glassfish.jersey.internal.Errors$1.java:248)
	at org.glassfish.jersey.internal.Errors$1.call(org.glassfish.jersey.internal.Errors$1.java:244)
	at org.glassfish.jersey.internal.Errors.process(org.glassfish.jersey.internal.Errors.java:292)
	at org.glassfish.jersey.internal.Errors.process(org.glassfish.jersey.internal.Errors.java:274)
	at org.glassfish.jersey.internal.Errors.process(org.glassfish.jersey.internal.Errors.java:244)
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(org.glassfish.jersey.process.internal.RequestScope.java:266)
	at org.glassfish.jersey.server.ServerRuntime.process(org.glassfish.jersey.server.ServerRuntime.java:253)
	at org.glassfish.jersey.server.ApplicationHandler.handle(org.glassfish.jersey.server.ApplicationHandler.java:696)
	at io.helidon.microprofile.server.JaxRsService.doHandle(io.helidon.microprofile.server.JaxRsService.java:228)
	at io.helidon.microprofile.server.JaxRsService.lambda$handle$2(io.helidon.microprofile.server.JaxRsService.java:185)
	at io.helidon.microprofile.server.JaxRsService$$Lambda+0x00007f7b7c712608.1578307408.run(io.helidon.microprofile.server.JaxRsService$$Lambda+0x00007f7b7c712608.1578307408.java)
	at io.helidon.common.context.Contexts.runInContext(io.helidon.common.context.Contexts.java:117)
	at io.helidon.microprofile.server.JaxRsService.handle(io.helidon.microprofile.server.JaxRsService.java:185)
	at io.helidon.microprofile.server.JaxRsService$$Lambda+0x00007f7b7c68f090.130326586.handle(io.helidon.microprofile.server.JaxRsService$$Lambda+0x00007f7b7c68f090.130326586.java)
@danielkec
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org.jboss.weld.bean.ContextualInstanceStrategy.ApplicationScopedContextualInstanceStrategy#get

        T get(Bean<T> bean, BeanManagerImpl manager, CreationalContext<?> ctx) {
            T instance = this.value;
            if (instance != null) {
                return instance;
            } else {
                synchronized(this) {
                    if ((instance = this.value) == null) {
                        this.value = instance = (T)super.get(bean, manager, ctx);
                    }

                    return instance;
                }
            }
        }

@github-project-automation github-project-automation bot moved this to Triage in Backlog Dec 19, 2024
@m0mus m0mus added 4.x bug Something isn't working labels Dec 19, 2024
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