[ 
https://issues.apache.org/jira/browse/CXF-9095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

suxuan updated CXF-9095:
------------------------
    Description: 
When the `close` method of the parent class 
`org.apache.cxf.transport.http.HTTPConduit.WrappedOutputStream` is called, a 
timeout occurs at line 1420, resulting in an `IOException`. This exception is 
caught at line 1428 and subsequently rethrown to the upper layer.

The upper layer, specifically the `close` method in 
`org.apache.cxf.transport.http.HttpClientHTTPConduit.HttpClientWrappedOutputStream`,
 does not properly handle the exception. As a result, the `pout` resource 
(which corresponds to the socket for writing) is not released, leading to a 
connection leak.

*{color:red}The Java exception stack trace is as follows{color}*:

 Caused by: java.net.http.HttpTimeoutException: HttpTimeoutException invoking 
https://reporting.api.bingads.microsoft.com/Reporting/v13/GenerateReport/Poll: 
Timeout
 at 
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
 Method)
 at 
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
 at 
java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at 
java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
 at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1452)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1433)
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.close(HttpClientHTTPConduit.java:824)
 at 
org.apache.cxf.io.AbstractWrappedOutputStream.close(AbstractWrappedOutputStream.java:77)
 at 
org.apache.cxf.io.AbstractWrappedOutputStream.close(AbstractWrappedOutputStream.java:77)
 at 
org.apache.cxf.io.AbstractThresholdOutputStream.close(AbstractThresholdOutputStream.java:102)
 at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
 at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:717)
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit.close(HttpClientHTTPConduit.java:261)
 at 
org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:63)
 at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
 at 
org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:717)
 at 
org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:1085)
 ... 17 more
Caused by: java.net.http.HttpTimeoutException: Timeout
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponse(HttpClientHTTPConduit.java:1074)
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponseCode(HttpClientHTTPConduit.java:1081)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.doProcessResponseCode(HTTPConduit.java:1653)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1684)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1626)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1420)
 ... 28 more
Caused by: java.util.concurrent.TimeoutException
 at 
java.base/java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1960)
 at 
java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2095)
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponse(HttpClientHTTPConduit.java:1052)
 ... 33 more


As the service runs, the number of TCP connections in the CLOSE_WAIT state in 
the system continues to increase until no connections are available.

  was:
When the `close` method of the parent class 
`org.apache.cxf.transport.http.HTTPConduit.WrappedOutputStream` is called, a 
timeout occurs at line 1420, resulting in an `IOException`. This exception is 
caught at line 1428 and subsequently rethrown to the upper layer.

The upper layer, specifically the `close` method in 
`org.apache.cxf.transport.http.HttpClientHTTPConduit.HttpClientWrappedOutputStream`,
 does not properly handle the exception. As a result, the `pout` resource 
(which corresponds to the socket for writing) is not released, leading to a 
connection leak.

 
{code:java}
// code placeholder
Caused by: java.net.http.HttpTimeoutException: HttpTimeoutException invoking 
https://reporting.api.bingads.microsoft.com/Reporting/v13/GenerateReport/Poll: 
Timeout at 
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
 Method) at 
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
 at 
java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at 
java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
 at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) 
at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1452)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1433)
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.close(HttpClientHTTPConduit.java:824)
 at 
org.apache.cxf.io.AbstractWrappedOutputStream.close(AbstractWrappedOutputStream.java:77)
 at 
org.apache.cxf.io.AbstractWrappedOutputStream.close(AbstractWrappedOutputStream.java:77)
 at 
org.apache.cxf.io.AbstractThresholdOutputStream.close(AbstractThresholdOutputStream.java:102)
 at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56) at 
org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:717) at 
org.apache.cxf.transport.http.HttpClientHTTPConduit.close(HttpClientHTTPConduit.java:261)
 at 
org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:63)
 at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
 at 
org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:717)
 at 
org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:1085) 
... 17 moreCaused by: java.net.http.HttpTimeoutException: Timeout at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponse(HttpClientHTTPConduit.java:1074)
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponseCode(HttpClientHTTPConduit.java:1081)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.doProcessResponseCode(HTTPConduit.java:1653)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1684)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1626)
 at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1420)
 ... 28 moreCaused by: java.util.concurrent.TimeoutException at 
java.base/java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1960)
 at 
java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2095)
 at 
org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponse(HttpClientHTTPConduit.java:1052)
 ... 33 more {code}
As the service runs, the number of TCP connections in the CLOSE_WAIT state in 
the system continues to increase until no connections are available.


> Connection Leak in HttpClientWrappedOutputStream due to Unreleased Resources 
> on IOException
> -------------------------------------------------------------------------------------------
>
>                 Key: CXF-9095
>                 URL: https://issues.apache.org/jira/browse/CXF-9095
>             Project: CXF
>          Issue Type: Bug
>          Components: Transports
>    Affects Versions: 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6
>         Environment: - Apache CXF Version: 4.0.6
> - Java Version: OpenJDK 17.0.12
> - Operating System: Ubuntu 18.04 AMD 64
>            Reporter: suxuan
>            Priority: Major
>         Attachments: 截屏2025-01-07 15.26.40.png, 截屏2025-01-07 15.27.19.png
>
>
> When the `close` method of the parent class 
> `org.apache.cxf.transport.http.HTTPConduit.WrappedOutputStream` is called, a 
> timeout occurs at line 1420, resulting in an `IOException`. This exception is 
> caught at line 1428 and subsequently rethrown to the upper layer.
> The upper layer, specifically the `close` method in 
> `org.apache.cxf.transport.http.HttpClientHTTPConduit.HttpClientWrappedOutputStream`,
>  does not properly handle the exception. As a result, the `pout` resource 
> (which corresponds to the socket for writing) is not released, leading to a 
> connection leak.
> *{color:red}The Java exception stack trace is as follows{color}*:
>  Caused by: java.net.http.HttpTimeoutException: HttpTimeoutException invoking 
> https://reporting.api.bingads.microsoft.com/Reporting/v13/GenerateReport/Poll:
>  Timeout
>  at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
>  Method)
>  at 
> java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
>  at 
> java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>  at 
> java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
>  at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
>  at 
> org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1452)
>  at 
> org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1433)
>  at 
> org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.close(HttpClientHTTPConduit.java:824)
>  at 
> org.apache.cxf.io.AbstractWrappedOutputStream.close(AbstractWrappedOutputStream.java:77)
>  at 
> org.apache.cxf.io.AbstractWrappedOutputStream.close(AbstractWrappedOutputStream.java:77)
>  at 
> org.apache.cxf.io.AbstractThresholdOutputStream.close(AbstractThresholdOutputStream.java:102)
>  at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
>  at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:717)
>  at 
> org.apache.cxf.transport.http.HttpClientHTTPConduit.close(HttpClientHTTPConduit.java:261)
>  at 
> org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:63)
>  at 
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
>  at 
> org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:717)
>  at 
> org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:1085)
>  ... 17 more
> Caused by: java.net.http.HttpTimeoutException: Timeout
>  at 
> org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponse(HttpClientHTTPConduit.java:1074)
>  at 
> org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponseCode(HttpClientHTTPConduit.java:1081)
>  at 
> org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.doProcessResponseCode(HTTPConduit.java:1653)
>  at 
> org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1684)
>  at 
> org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1626)
>  at 
> org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1420)
>  ... 28 more
> Caused by: java.util.concurrent.TimeoutException
>  at 
> java.base/java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1960)
>  at 
> java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2095)
>  at 
> org.apache.cxf.transport.http.HttpClientHTTPConduit$HttpClientWrappedOutputStream.getResponse(HttpClientHTTPConduit.java:1052)
>  ... 33 more
> As the service runs, the number of TCP connections in the CLOSE_WAIT state in 
> the system continues to increase until no connections are available.



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