Jersey中的NoClassDefFoundError

Question

由於下面的NoClassDefFoundError錯誤，我的應用程序返回500錯誤。我使用的是包含Jersey的Weblogic 12.1.2。

我的POM文件：

<properties> 
     <com.sun.jersey.version>1.17.1</com.sun.jersey.version> 
... 
      <dependency> 
       <groupId>org.atmosphere</groupId> 
       <artifactId>atmosphere-jersey</artifactId> 
       <version>0.7.2</version> 
       <type>jar</type> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey</groupId> 
       <artifactId>jersey-server</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <type>jar</type> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey</groupId> 
       <artifactId>jersey-client</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <type>jar</type> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey.contribs</groupId> 
       <artifactId>jersey-atom-abdera</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <type>jar</type> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey</groupId> 
       <artifactId>jersey-atom</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <type>jar</type> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey</groupId> 
       <artifactId>jersey-json</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <type>jar</type> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey.contribs</groupId> 
       <artifactId>jersey-multipart</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <type>jar</type> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey.contribs</groupId> 
       <artifactId>jersey-spring</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <exclusions> 
        <exclusion> 
         <groupId>org.springframework</groupId> 
         <artifactId>spring-core</artifactId> 
        </exclusion> 
       </exclusions> 
      </dependency> 
      <dependency> 
       <groupId>com.sun.jersey.contribs</groupId> 
       <artifactId>jersey-guice</artifactId> 
       <version>${com.sun.jersey.version}</version> 
       <type>jar</type> 
      </dependency> 


]] Root cause of ServletException. 
java.lang.NoClassDefFoundError: com/sun/jersey/core/impl/provider/header/WriterUtil 
     at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.toString(MediaTypeProvider.java:66) 
     at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.toString(MediaTypeProvider.java:53) 
     at com.sun.jersey.spi.container.ContainerResponse.getHeaderValue(ContainerResponse.java:213) 
     at com.sun.jersey.spi.container.servlet.WebComponent$Writer.writeHeaders(WebComponent.java:347) 
     at com.sun.jersey.spi.container.servlet.WebComponent$Writer.writeStatusAndHeaders(WebComponent.java:335) 
     Truncated. see log file for 

完整的堆棧跟蹤

]] Root cause of ServletException. 
java.lang.NoClassDefFoundError: com/sun/jersey/core/impl/provider/header/WriterUtil 
     at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.toString(MediaTypeProvider.java:66) 
     at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.toString(MediaTypeProvider.java:53) 
     at com.sun.jersey.spi.container.ContainerResponse.getHeaderValue(ContainerResponse.java:213) 
     at com.sun.jersey.spi.container.servlet.WebComponent$Writer.writeHeaders(WebComponent.java:347) 
     at com.sun.jersey.spi.container.servlet.WebComponent$Writer.writeStatusAndHeaders(WebComponent.java:335) 
     Truncated. see log file for complete stacktrace 

Answer 1

如果你想使用的Weblogic提供的庫，則相關性都應當被標記爲

<scope>provided</scope> 

否則你將會拉入外部依賴關係，並將這些應用程序部署到其他工作中ds，您正在編譯並使用外部依賴包打包您的應用程序，而不是Weblogic提供的用於運行時的庫。