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[jersey-dev] "Connection pool shut down" using ApacheConnectorProvider and PoolingHttpClientConnectionManager
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Hi,
hitting hopefully the last hurdle in the upgrade to 2.30.1.
Attempting to recreate the setup that used ApacheHttpClient4Handler
with Jersey 1.19, I configured Client with ApacheConnectorProvider and
replaced the deprecated ThreadSafeClientConnManager with
PoolingHttpClientConnectionManager:
TrustManagerFactory tmf =
TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init(trustStore);
SSLContext ctx = SSLContext.getInstance("SSL");
ctx.init(null, tmf.getTrustManagers(), null);
Registry<ConnectionSocketFactory> socketFactoryRegistry =
RegistryBuilder.<ConnectionSocketFactory>create().
register("https", new SSLConnectionSocketFactory(ctx)).
register("http", new PlainConnectionSocketFactory()).
build();
PoolingHttpClientConnectionManager conman = new
PoolingHttpClientConnectionManager(socketFactoryRegistry);
conman.setDefaultMaxPerRoute(20);
ClientConfig config = new ClientConfig();
config.connectorProvider(new ApacheConnectorProvider());
config.register(...);
config.property(ApacheClientProperties.CONNECTION_MANAGER, conman);
config.property(ClientProperties.FOLLOW_REDIRECTS, true);
return ClientBuilder.newBuilder().
withConfig(config).
sslContext(ctx).
hostnameVerifier(NoopHostnameVerifier.INSTANCE).
build();
I also take care to close Responses:
try (Response cr = query(query, Model.class, null))
{
return cr.readEntity(Model.class);
}
However just after a dozen or so requests after the webapp starts, I get this:
Exception
javax.servlet.ServletException: javax.ws.rs.ProcessingException:
java.lang.IllegalStateException: Connection pool shut down
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:410)
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:366)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:319)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:126)
Root Cause
javax.ws.rs.ProcessingException: java.lang.IllegalStateException:
Connection pool shut down
org.glassfish.jersey.apache.connector.ApacheConnector.apply(ApacheConnector.java:528)
org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:296)
org.glassfish.jersey.client.JerseyInvocation.lambda$invoke$0(JerseyInvocation.java:609)
org.glassfish.jersey.internal.Errors.process(Errors.java:292)
org.glassfish.jersey.internal.Errors.process(Errors.java:274)
org.glassfish.jersey.internal.Errors.process(Errors.java:205)
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:390)
org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:608)
org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:395)
org.glassfish.jersey.client.JerseyInvocation$Builder.get(JerseyInvocation.java:295)
com.atomgraph.core.client.ClientBase.get(ClientBase.java:101)
com.atomgraph.core.client.SPARQLClient.query(SPARQLClient.java:107)
com.atomgraph.linkeddatahub.server.model.impl.ResourceBase.describe(ResourceBase.java:869)
com.atomgraph.core.model.impl.QueriedResourceBase.get(QueriedResourceBase.java:120)
com.atomgraph.server.model.impl.ResourceBase.get(ResourceBase.java:249)
com.atomgraph.linkeddatahub.server.model.impl.ResourceBase.get(ResourceBase.java:228)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52)
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:124)
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:167)
org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:176)
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:79)
org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:469)
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:391)
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:80)
org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:253)
org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
org.glassfish.jersey.internal.Errors.process(Errors.java:292)
org.glassfish.jersey.internal.Errors.process(Errors.java:274)
org.glassfish.jersey.internal.Errors.process(Errors.java:244)
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:232)
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:680)
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394)
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:366)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:319)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:126)
I can also see in the logs that Finalizer might something to do with
this - this happens consistently before/around when the exception is
thrown:
| [0m 21:45:01,100 [Finalizer] DEBUG
PoolingHttpClientConnectionManager:409 - Connection manager is
shutting down
| [0m 21:45:01,109 [Finalizer] DEBUG
DefaultManagedHttpClientConnection:79 - http-outgoing-1: Close
connection
| [0m 21:45:01,110 [Finalizer] DEBUG
PoolingHttpClientConnectionManager:415 - Connection manager shut down
After searching online, it looks like the HTTPClient is shutdown, but
I don't get why or where Jersey would do that.
Can this be a bug or a problem in our code?
Martynas
