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Reply-To: dev@struts.apache.org
Date: Wed, 20 Aug 2014 01:48:18 +0000 (UTC)
From: "mougenko (JIRA)" <jira@apache.org>
To: issues@struts.apache.org
Message-ID: <JIRA.12733988.1408000760021.39003.1408499298962@arcas>
In-Reply-To: <JIRA.12733988.1408000760021@arcas>
References: <JIRA.12733988.1408000760021@arcas>
Subject: [jira] [Resolved] (WW-4386) "java.io.IOException: Broken pipe"
 occurred
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     [ https://issues.apache.org/jira/browse/WW-4386?page=3Dcom.atlassian.j=
ira.plugin.system.issuetabpanels:all-tabpanel ]

mougenko resolved WW-4386.
--------------------------

       Resolution: Not a Problem
    Fix Version/s:     (was: 2.3.18)

This is not a bug in Struts.
Tomcat bug.

> "java.io.IOException: Broken pipe" occurred
> -------------------------------------------
>
>                 Key: WW-4386
>                 URL: https://issues.apache.org/jira/browse/WW-4386
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Interceptors
>    Affects Versions: 2.3.16.3
>         Environment: OS:RHEL Server 5.3
> JRE:1.7.0_09
> Application Server:Tomcat 8.0.9
>            Reporter: mougenko
>            Priority: Blocker
>
> When I call Action, Broken pipe Exception occur.
> =E3=83=BBIf don't use interceptor, Exception does not occur.
> =E3=83=BBIf action result type is not stream, Exception does not occur.
> =E3=83=BBIf read HttpResponse, Exception does not occur.
> =E3=83=BBIf OS is Windows, Exception does not occur.
> =E3=83=BBIf use Tomcat BIO protocol, Exception does not occur.
> {code:title=3DStackTrace|borderStyle=3Dsolid}
> org.apache.catalina.connector.ClientAbortException: java.io.IOException: =
Broken pipe=09
> =09at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuf=
fer.java:389)
> =09at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426=
)
> =09at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.jav=
a:338)
> =09at org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:=
291)
> =09at org.apache.catalina.connector.CoyoteOutputStream.close(CoyoteOutput=
Stream.java:151)
> =09at org.apache.struts2.dispatcher.StreamResult.doExecute(StreamResult.j=
ava:305)
> =09at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsRes=
ultSupport.java:186)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(Defau=
ltActionInvocation.java:371)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:275)
> =09at org.apache.struts2.interceptor.DeprecationInterceptor.intercept(Dep=
recationInterceptor.java:41)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.inter=
cept(DebuggingInterceptor.java:256)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIn=
tercept(DefaultWorkflowInterceptor.java:167)
> =09at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.interce=
pt(MethodFilterInterceptor.java:98)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept=
(ValidationInterceptor.java:265)
> =09at org.apache.struts2.interceptor.validation.AnnotationValidationInter=
ceptor.doIntercept(AnnotationValidationInterceptor.java:68)
> =09at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.interce=
pt(MethodFilterInterceptor.java:98)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.inte=
rcept(ConversionErrorInterceptor.java:138)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doInterce=
pt(ParametersInterceptor.java:254)
> =09at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.interce=
pt(MethodFilterInterceptor.java:98)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doInterce=
pt(ParametersInterceptor.java:254)
> =09at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.interce=
pt(MethodFilterInterceptor.java:98)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.int=
ercept(StaticParametersInterceptor.java:191)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(Mul=
tiselectInterceptor.java:73)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(Checkb=
oxInterceptor.java:91)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(File=
UploadInterceptor.java:252)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercep=
t(ModelDrivenInterceptor.java:100)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.in=
tercept(ScopedModelDrivenInterceptor.java:141)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(C=
hainingInterceptor.java:145)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(=
PrepareInterceptor.java:171)
> =09at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.interce=
pt(MethodFilterInterceptor.java:98)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nI=
nterceptor.java:139)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(S=
ervletConfigInterceptor.java:164)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(Alia=
sInterceptor.java:193)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.int=
ercept(ExceptionMappingInterceptor.java:189)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:246)
> =09at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy=
.java:54)
> =09at com.opensymphony.xwork2.ActionChainResult.execute(ActionChainResult=
.java:233)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(Defau=
ltActionInvocation.java:371)
> =09at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActio=
nInvocation.java:275)
> Caused by: java.io.IOException: Broken pipe=09
> =09at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
> =09at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
> =09at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:89)
> =09at sun.nio.ch.IOUtil.write(IOUtil.java:60)
> =09at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:450)
> =09at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:127)
> =09at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSel=
ector.java:101)
> =09at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.ja=
va:173)
> =09at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(Inte=
rnalNioOutputBuffer.java:139)
> =09at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer(Intern=
alNioOutputBuffer.java:244)
> =09at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNi=
oOutputBuffer.java:189)
> =09at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(Interna=
lNioOutputBuffer.java:41)
> =09at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer=
.doWrite(InternalNioOutputBuffer.java:320)
> =09at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(Chunke=
dOutputFilter.java:116)
> =09at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutpu=
tBuffer.java:257)
> =09at org.apache.coyote.Response.doWrite(Response.java:492)
> =09at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuf=
fer.java:384)
> =09... 164 more
> {code}
> {code:title=3DTestAction.java|borderStyle=3Dsolid}
> package sample.action;
> import java.io.ByteArrayInputStream;
> import java.io.InputStream;
> import org.apache.commons.logging.Log;
> import org.apache.commons.logging.LogFactory;
> import org.apache.struts2.convention.annotation.Action;
> import org.apache.struts2.convention.annotation.InterceptorRef;
> import org.apache.struts2.convention.annotation.ParentPackage;
> import org.apache.struts2.convention.annotation.Result;
> import com.opensymphony.xwork2.ActionSupport;
> @ParentPackage(value =3D "default")
> @InterceptorRef("first")
> public class TestAction extends ActionSupport {
> =09public InputStream inputStream;
> =09private static final Log log =3D LogFactory.getLog(TestAction.class);
> =09@Action(value =3D "test", results =3D {
> =09=09=09@Result(name =3D "error", type =3D "stream", location =3D "input=
Stream", params =3D {"contentType", "text/xml; charset=3DUTF-8" }),
> =09=09=09@Result(name =3D "success", type =3D "stream", location =3D "inp=
utStream", params =3D {"contentType", "text/xml; charset=3DUTF-8" })
> =09})
> =09public String execute() throws Exception {
> =09=09try {
> =09=09=09log.info("Start");
> =09=09=09inputStream =3D new ByteArrayInputStream("<result>test</result>"=
.getBytes());
> =09=09=09log.info("End");
> =09=09=09return "success";
> =09=09} catch (Exception e) {
> =09=09=09log.error(e.getMessage());
> =09=09=09return "error";
> =09=09}
> =09}
> }
> {code}
> {code:title=3DFirstInterceptor.java|borderStyle=3Dsolid}
> package sample.interceptor;
> import org.apache.commons.logging.Log;
> import org.apache.commons.logging.LogFactory;
> import com.opensymphony.xwork2.ActionInvocation;
> import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
> public class FirstInterceptor extends AbstractInterceptor {
> =09private static final Log log =3D LogFactory.getLog(FirstInterceptor.cl=
ass);
> =09@Override
> =09public void init() {
> =09=09super.init();
> =09}
> =09@Override
> =09public String intercept(ActionInvocation invocation) throws Exception =
{
> =09=09log.info("Start");
> =09=09String result =3D "";
> =09=09try {
> =09=09=09result =3D invocation.invoke();
> =09=09} catch (Exception e) {
> =09=09=09log.fatal(e.getMessage(), e);
> =09=09=09return "error";
> =09=09}
> =09=09log.info("End");
> =09=09return result;
> =09}
> }
> {code}
> {code:title=3DClientMain.java|borderStyle=3Dsolid}
> package sample.client;
> import java.io.IOException;
> import java.util.ArrayList;
> import java.util.List;
> import org.apache.http.HttpResponse;
> import org.apache.http.NameValuePair;
> import org.apache.http.client.entity.UrlEncodedFormEntity;
> import org.apache.http.client.methods.HttpPost;
> import org.apache.http.impl.client.DefaultHttpClient;
> import org.apache.http.message.BasicNameValuePair;
> public class ClientMain {
> =09public static void main(String[] args) {
> =09=09try {
> =09=09=09for(int i =3D 0 ; i < 10 ; i++) {
> =09=09=09=09sendHttpRequest("http://<Host>/<context>/test");
> =09=09=09}
> =09=09=09System.out.println("finish");
> =09=09} catch(Exception e) {
> =09=09=09e.printStackTrace();
> =09=09}
> =09}
> =09private static void sendHttpRequest(final String url) throws IOExcepti=
on {
> =09=09HttpPost httpPost =3D null;
> =09=09try {
> =09=09=09httpPost =3D new HttpPost(url);
> =09=09=09DefaultHttpClient httpclient =3D new DefaultHttpClient();
> =09=09=09List<NameValuePair> params =3D new ArrayList<NameValuePair>();
> =09=09=09params.add(new BasicNameValuePair("client_type", ""));
> =09=09=09httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
> =09=09=09HttpResponse response =3D httpclient.execute(httpPost);
> =09=09=09if (response.getStatusLine().toString().indexOf(" 200 ") =3D=3D =
-1) {
> =09=09=09=09// do something
> =09=09=09}
> =09=09} finally {
> =09=09=09if (httpPost !=3D null) {
> =09=09=09=09httpPost.abort();
> =09=09=09}
> =09=09}
>     }
> }
> {code}


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