no route to host java.net.no_Jenkins Caused by: java.net.NoRouteToHostException: No route to host (H...-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_39815345/article/details/114893532

本文记录了在CentOS环境下使用Jenkins部署Tomcat应用时遇到的“无法路由主机”错误。该问题出现在部署阶段，表现为无法重新部署WAR文件到Tomcat服务器，并附带了详细的构建日志。

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Jenkins在centos下遇到如题所示没法路由主机问题，此问题是在部署阶段报出，先记录问题于此。

没法路由主机问题详细日志

Started by user cvnavi

Building in workspace /root/.jenkins/workspace/webtest-centos

Fetching changes from the remote Git repository

Checking out Revision 957ce0e60c3abcd970c025b6b92bc2ef356a8bf9 (refs/remotes/origin/master)

Commit message: "Update Hello.java"

[webtest-centos] $ /root/.jenkins/tools/hudson.tasks.Maven_MavenInstallation/apache-maven-3.3.9/bin/mvn -f pom.xml clean install

[INFO] Scanning for projects...

[INFO]

[INFO] ------------------------------------------------------------------------

[INFO] Building webtest 0.0.1-SNAPSHOT

[INFO] ------------------------------------------------------------------------

[INFO]

[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ webtest ---

[INFO] Deleting /root/.jenkins/workspace/webtest-centos/target

[INFO]

[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ webtest ---

[WARNING] Using platform encoding (ANSI_X3.4-1968 actually) to copy filtered resources, i.e. build is platform dependent!

[INFO] skip non existing resourceDirectory /root/.jenkins/workspace/webtest-centos/src/main/resources

[INFO]

[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ webtest ---

[INFO] Changes detected - recompiling the module!

[WARNING] File encoding has not been set, using platform encoding ANSI_X3.4-1968, i.e. build is platform dependent!

[INFO] Compiling 1 source file to /root/.jenkins/workspace/webtest-centos/target/classes

[INFO]

[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ webtest ---

[WARNING] Using platform encoding (ANSI_X3.4-1968 actually) to copy filtered resources, i.e. build is platform dependent!

[INFO] skip non existing resourceDirectory /root/.jenkins/workspace/webtest-centos/src/test/resources

[INFO]

[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ webtest ---

[INFO] No sources to compile

[INFO]

[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ webtest ---

[INFO] No tests to run.

[INFO]

[INFO] --- maven-war-plugin:2.2:war (default-war) @ webtest ---

[INFO] Packaging webapp

[INFO] Assembling webapp [webtest] in [/root/.jenkins/workspace/webtest-centos/target/webtest]

[INFO] Processing war project

[INFO] Copying webapp resources [/root/.jenkins/workspace/webtest-centos/src/main/webapp]

[INFO] Webapp assembled in [25 msecs]

[INFO] Building war: /root/.jenkins/workspace/webtest-centos/target/webtest.war

[INFO] WEB-INF/web.xml already added, skipping

[INFO]

[INFO] --- maven-install-plugin:2.4:install (default-install) @ webtest ---

[INFO] Installing /root/.jenkins/workspace/webtest-centos/target/webtest.war to /root/.m2/repository/com/boonya/app/webtest/0.0.1-SNAPSHOT/webtest-0.0.1-SNAPSHOT.war

[INFO] Installing /root/.jenkins/workspace/webtest-centos/pom.xml to /root/.m2/repository/com/boonya/app/webtest/0.0.1-SNAPSHOT/webtest-0.0.1-SNAPSHOT.pom

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 1.870 s

[INFO] Finished at: 2017-08-14T12:12:33+00:00

[INFO] Final Memory: 20M/476M

[INFO] ------------------------------------------------------------------------

Deploying /root/.jenkins/workspace/webtest-centos/target/webtest.war to container Tomcat 8.x Remote with context webtest

ERROR: Build step failed with exception

org.codehaus.cargo.container.ContainerException: Failed to redeploy [/root/.jenkins/workspace/webtest-centos/target/webtest.war]

at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:192)

at hudson.plugins.deploy.CargoContainerAdapter.deploy(CargoContainerAdapter.java:77)

at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:147)

at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:117)

at hudson.FilePath.act(FilePath.java:998)

at hudson.FilePath.act(FilePath.java:976)

at hudson.plugins.deploy.CargoContainerAdapter.redeploy(CargoContainerAdapter.java:114)

at hudson.plugins.deploy.PasswordProtectedAdapterCargo.redeploy(PasswordProtectedAdapterCargo.java:93)

at hudson.plugins.deploy.DeployPublisher.perform(DeployPublisher.java:64)

at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:45)

at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:730)

at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:676)

at hudson.model.Build$BuildExecution.post2(Build.java:186)

at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:621)

at hudson.model.Run.execute(Run.java:1760)

at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)

at hudson.model.ResourceController.execute(ResourceController.java:97)

at hudson.model.Executor.run(Executor.java:415)

Caused by: java.net.NoRouteToHostException: No route to host (Host unreachable)

at java.net.PlainSocketImpl.socketConnect(Native Method)

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at java.net.Socket.connect(Socket.java:538)

at sun.net.NetworkClient.doConnect(NetworkClient.java:180)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)

at sun.net.www.http.HttpClient.(HttpClient.java:211)

at sun.net.www.http.HttpClient.New(HttpClient.java:308)

at sun.net.www.http.HttpClient.New(HttpClient.java:326)

at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1202)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1032)

at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:966)

at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:561)

at org.codehaus.cargo.container.tomcat.internal.TomcatManager.list(TomcatManager.java:876)

at org.codehaus.cargo.container.tomcat.internal.TomcatManager.getStatus(TomcatManager.java:889)

at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:173)

... 17 more

java.net.NoRouteToHostException: No route to host (Host unreachable)