Tomcat - 当我尝试在两个不同的端口上共享两个项目时出现异常

Question

Tomcat - 当我尝试在两个不同的端口上共享两个项目时出现异常

我有两个webservice SOAP(Axis2)和另一个类型REST(Jersey 2).

一切正常,但我想把一个放在端口8080上,一个放在端口8081上.

我开始在tomcat/conf文件夹中编辑我的server.xml,用他自己的连接器,引擎和主机创建一个新服务,如下所示:

server.xml:

<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
<Listener className="org.apache.catalina.startup.VersionLoggerListener" />
<Listener SSLEngine="on"
    className="org.apache.catalina.core.AprLifecycleListener" />
<Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
<GlobalNamingResources>
    <Resource auth="Container" description="User database that can be updated and saved"
        factory="org.apache.catalina.users.MemoryUserDatabaseFactory" name="UserDatabase"
        pathname="conf/tomcat-users.xml" type="org.apache.catalina.UserDatabase" />
</GlobalNamingResources>
<Service name="reciver">
    <Connector acceptCount="100" connectionTimeout="10000"
        disableUploadTimeout="true" enableLookups="false" maxHttpHeaderSize="8192"
        maxThreads="10" port="8080" useBodyEncodingForURI="true" />
    <Engine defaultHost="localhost" jvmRoute="host1" name="reciver"> 
        <Host autoDeploy="true" name="localhost" unpackWARs="true">
            <Context docBase="SOAP" path="/SOAP" reloadable="true"
                source="org.eclipse.jst.jee.server:SOAP" />
        </Host>
    </Engine>
</Service>
<Service name="reciver2">
    <Connector acceptCount="100" connectionTimeout="10000"
        disableUploadTimeout="true" enableLookups="false" maxHttpHeaderSize="8192"
        maxThreads="10" port="8081" useBodyEncodingForURI="true" />
    <Engine defaultHost="localhost" jvmRoute="host2" name="reciver2"> 
        <Host autoDeploy="true"  name="localhost" unpackWARs="true">
            <Context docBase="REST" path="/REST" reloadable="true"
                source="org.eclipse.jst.jee.server:REST" />
        </Host>
    </Engine>
</Service>

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我在第二个服务上的上下文有问题.当我添加这个并尝试启动Tomcat时,我遇到了这个异常:

GRAVE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[reciver2].StandardHost[localhost].StandardContext[/REST]]
at java.util.concurrent.FutureTask.report(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[reciver2].StandardHost[localhost].StandardContext[/REST]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
... 6 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@5e8549c9]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4909)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5039)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 6 more
Caused by: java.lang.IllegalArgumentException: The main resource set specified [C:\DEV\eclipse\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\webapps\REST] is not valid
at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:723)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:684)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 9 more

déc. 09, 2015 11:23:28 AM org.apache.catalina.core.ContainerBase startInternal
GRAVE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[reciver2].StandardHost[localhost]]
at java.util.concurrent.FutureTask.report(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:439)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:769)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.startup.Catalina.start(Catalina.java:625)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[reciver2].StandardHost[localhost]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:924)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 6 more

déc. 09, 2015 11:23:28 AM org.apache.catalina.startup.Catalina start
GRAVE: The required Server component failed to start so Tomcat is unable to start.
org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.startup.Catalina.start(Catalina.java:625)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[reciver2]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:769)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 7 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[reciver2]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:439)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 9 more
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:924)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 11 more

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当我删除上下文tomcat启动并在此端口上侦听.

这是我第一次尝试这样做,我做错了什么,但我不知道我在google和stack上搜索的位置,但我还没有找到解决方案.

我在windows 10,tomcat 8和eclipse Mars上工作.

如果你们其中一个人知道解决方案,我将非常感谢他的帮助.谢谢

Answer 1

Kon*_*nko 5

您的问题是，您正在尝试从Eclipse IDE中以这种配置启动Tomcat。

Ghayel是正确的，以下是主要原因：

 Caused by: java.lang.IllegalArgumentException: The main resource set specified [C:\DEV\eclipse\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\webapps\REST] is not valid
 at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:723)
 at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:684)
 at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

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有关参考，请参阅Tomcat FAQ中的Eclipse IDE和Eclipse处的Eclipse WebTools Project Tomcat FAQ。

您的问题是由以下两个事实的组合引起的：

默认情况下，Eclipse IDE不使用server.xml您在IDE中编辑的文件，但是在复制到其他“ CATALINA_BASE”目录中时会对其进行处理。从您的日志消息中，该目录为C:\DEV\eclipse\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\webapps。

首先，查看conf/server.xml该目录中的文件。它可能与您编辑的文件不同。

其次，我希望的Eclipse IDE处理server.xml不支持多个Engine元素。（它可能会支持他们，但如果这样做，我会感到惊讶）。
如果Context在server.xml中定义了element，则无法启动此上下文会导致整个Tomcat的启动失败。

这是未在中定义Context元素的原因之一server.xml。

AFAIK（Eclipse中的Tomcat服务器）可以配置为使用不同的CATALINA_BASE目录，并且可以配置为将上下文发布为xml文件（而不是将其放入server.xml），但是我仍然怀疑这样的配置是否支持多个Engine元素。

我认为您最好的选择是在Eclipse外部配置Tomcat实例，并使用其他工具（例如Apache Ant）在其中打包和部署您的Web应用程序（通过复制文件+依靠自动部署，或通过使用Tomcat Ant任务来完成）将应用程序部署到正在运行的Tomcat实例上）。

如果您不需要这些Web服务位于同一JVM上，只需在Eclipse中配置几个Server实例并并行启动它们即可。（当然，它们的端口号必须不同）。

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