Jetty 7 + MySQL 配置 [java.lang.ClassNotFoundException: org.mortbay.jetty.webapp.WebAppContext]

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时间:2020-08-13 07:52:51  来源:igfitidea点击:

Jetty 7 + MySQL Config [java.lang.ClassNotFoundException: org.mortbay.jetty.webapp.WebAppContext]

javamysqljettydatabase-connectionc3p0

提问by Scott Chang

I've been trying to get a c3p0 db connection pool configured for Jetty, but I keep getting a ClassNotFoundException:

我一直在尝试为 Jetty 配置一个 c3p0 db 连接池,但我不断收到 ClassNotFoundException:

2010-03-14 19:32:12.028:WARN::Failed startup of context WebAppContext@fccada@fccada/phpMyAdmin,file:/usr/local/jetty/webapps/phpMyAdmin/,file:/usr/local/jetty/webapps/phpMyAdmin/
java.lang.ClassNotFoundException: org.mortbay.jetty.webapp.WebAppContext
    at java.net.URLClassLoader.run(URLClassLoader.java:200)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
    at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:313)
    at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:266)
    at org.eclipse.jetty.util.Loader.loadClass(Loader.java:90)
    at org.eclipse.jetty.xml.XmlConfiguration.nodeClass(XmlConfiguration.java:224)
    at org.eclipse.jetty.xml.XmlConfiguration.configure(XmlConfiguration.java:187)
    at org.eclipse.jetty.webapp.JettyWebXmlConfiguration.configure(JettyWebXmlConfiguration.java:77)
    at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:975)
    at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:586)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:349)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55)
    at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:165)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:162)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55)
    at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:165)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55)
    at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:92)
    at org.eclipse.jetty.server.Server.doStart(Server.java:228)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:55)
    at org.eclipse.jetty.xml.XmlConfiguration.run(XmlConfiguration.java:990)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:955)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.jetty.start.Main.invokeMain(Main.java:394)
    at org.eclipse.jetty.start.Main.start(Main.java:546)
    at org.eclipse.jetty.start.Main.parseCommandLine(Main.java:208)
    at org.eclipse.jetty.start.Main.main(Main.java:75)

I'm new to Jetty and I want to ultimately get phpMyAdmin and WordPress to run on it through Quercus and a JDBC connection. Here are my web.xml and jetty-web.xml files in my WEB-INF directory.

我是 Jetty 的新手,我希望最终让 phpMyAdmin 和 WordPress 通过 Quercus 和 JDBC 连接在其上运行。这是我的 WEB-INF 目录中的 web.xml 和 jetty-web.xml 文件。

jetty-web.xml:

码头-web.xml:

<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd">
<Configure class="org.mortbay.jetty.webapp.WebAppContext">
    <New id="mysql" class="org.mortbay.jetty.plus.naming.Resource">
        <Arg>jdbc/mysql</Arg>
        <Arg>
            <New class="com.mchange.v2.c3p0.ComboPooledDataSource">
                <Set name="Url">jdbc:mysql://localhost:3306/mysql</Set>
                <Set name="User">user</Set>
                <Set name="Password">pw</Set>
            </New>
        </Arg>
    </New>
</Configure>

web.xml:

网页.xml:

<?xml version="1.0"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN" "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
    <description>Caucho Technology's PHP Implementation</description>
    <resource-ref>
        <description>My DataSource Reference</description>
        <res-ref-name>jdbc/mysql</res-ref-name>
        <res-type>javax.sql.DataSource</res-type>
        <res-auth>Container</res-auth>
    </resource-ref>

    <servlet>
        <servlet-name>Quercus Servlet</servlet-name>
        <servlet-class>com.caucho.quercus.servlet.QuercusServlet</servlet-class>

        <!--
            Specifies the encoding Quercus should use to read in PHP scripts.
        -->
        <init-param>
            <param-name>script-encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>

        <!--
            Tells Quercus to use the following JDBC database and to ignore the
            arguments of mysql_connect().
        -->
        <init-param>
            <param-name>database</param-name>
            <param-value>jdbc/mysql</param-value>
        </init-param>

        <init-param>
            <param-name>ini-file</param-name>
            <param-value>WEB-INF/php.ini</param-value>
        </init-param>

    </servlet>

    <servlet-mapping>
        <servlet-name>Quercus Servlet</servlet-name>
        <url-pattern>*.php</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>index.php</welcome-file>
    </welcome-file-list>
</web-app>

I'm guessing that I'm missing a few jars or something. Currently I have placed the following jars in my WEB-INF/lib directory:

我猜我错过了几个罐子或其他东西。目前我已经在我的 WEB-INF/lib 目录中放置了以下 jars:

c3p0-0.9.1.2.jar
commons-dbcp-1.4.jar
commons-pool-1.5.4.jar
mysql-connector-java-5.1.12-bin.jar

c3p0-0.9.1.2.jar
commons-dbcp-1.4.jar
commons-pool-1.5.4.jar
mysql-connector-java-5.1.12-bin.jar

I have also tried to put these jars in JETTY-HOME/lib/ext, but to no avail... Someone please tell me what is wrong with my configuration. I'm sick of digging through Jetty's crappy documentation.

我也尝试将这些 jars 放在 JETTY-HOME/lib/ext 中,但无济于事......有人请告诉我我的配置有什么问题。我厌倦了翻阅 Jetty 蹩脚的文档。

回答by Pascal Thivent

Starting with Jetty 7, Jetty has become a project of Eclipse Foundation. During the migration of Jetty 6 to Eclipse Jetty 7, a new package structure has been adopted (see the Jetty 7 Refactoringpage):

从 Jetty 7 开始,Jetty 已经成为 Eclipse Foundation 的一个项目。在将 Jetty 6 迁移到 Eclipse Jetty 7 的过程中,采用了一种新的包结构(参见Jetty 7 Refactoring页面):

  • Classes from org.mortbay.jetty.webappare now in org.eclipse.jetty.webapp
  • Classes from org.mortbay.jetty.plus.namingare now in org.eclipse.jetty.plus.jndi
  • org.mortbay.jetty.webapp现在开始的课程org.eclipse.jetty.webapp
  • org.mortbay.jetty.plus.naming现在开始的课程org.eclipse.jetty.plus.jndi

So try with the following jetty-web.xml(not tested):

因此,请尝试以下操作jetty-web.xml(未测试):

<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd">
<Configure class="org.eclipse.jetty.webapp.WebAppContext">
    <New id="mysql" class="org.eclipse.jetty.plus.jndi.Resource">
        <Arg>jdbc/mysql</Arg>
        <Arg>
            <New class="com.mchange.v2.c3p0.ComboPooledDataSource">
                <Set name="Url">jdbc:mysql://localhost:3306/mysql</Set>
                <Set name="User">user</Set>
                <Set name="Password">pw</Set>
            </New>
        </Arg>
    </New>
</Configure>

But if you don't need fancy things from Jetty 7, my suggestion would be to stick with Jetty 6 (more stable, more documentation, more resources on Internet, less complicated, etc, in other words, less pain).

但是如果你不需要 Jetty 7 的花哨的东西,我的建议是坚持使用 Jetty 6(更稳定,更多的文档,更多的互联网资源,更简单的等等,换句话说,更少的痛苦)。

回答by Scott Chang

I got the configuration to work now. I'm posting the corrected jetty-web.xml for Jetty 7.

我现在可以使用配置了。我正在为 Jetty 7 发布更正的 jetty-web.xml。

<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd">
<Configure class="org.eclipse.jetty.webapp.WebAppContext">
    <New id="mysql" class="org.eclipse.jetty.plus.jndi.Resource">
        <Arg>jdbc/mysql</Arg>
        <Arg>
            <New class="com.mchange.v2.c3p0.ComboPooledDataSource">
                <Set name="driverClass">com.mysql.jdbc.Driver</Set>
                <Set name="jdbcUrl">jdbc:mysql://localhost:3306/mysql</Set>
                <Set name="user">user</Set>
                <Set name="password">pw</Set>
            </New>
        </Arg>
    </New>
</Configure>

With the following jars in WEB-INF/lib

使用 WEB-INF/lib 中的以下 jars

c3p0-0.9.1.2.jar
commons-dbcp-1.4.jar
commons-pool-1.5.4.jar
mysql-connector-java-5.1.12-bin.jar

c3p0-0.9.1.2.jar
commons-dbcp-1.4.jar
commons-pool-1.5.4.jar
mysql-connector-java-5.1.12-bin.jar

回答by Vladimir Sutskever

check to make sure the OLDjetty-env.xmlis not in your classpath - In jetty 6 the jetty-env.xmlbegins with this:

检查以确保OLDjetty-env.xml不在您的类路径中 - 在 jetty 6 中,jetty-env.xml从以下内容开始:

<Configure class="org.mortbay.jetty.webapp.WebAppContext">