maven项目使用SOLR时报 previously initiated loading for a different type with name "javax/servlet/http/HttpServletRequest" 错的解决方法
2014-08-22 16:03
661 查看
环境:Apache solr4.8,maven3,IntellijIDEA
想在项目中使用solr 在pom.xml文件中添加了solr的依赖 solr-core,solrj 和solr-dataimporthandler
在使用tomcat6插件启动项目的时候报错:
八月 22, 2014 3:43:46 下午 org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.LinkageError: loader constraint violation: loader (instance of org/apache/jasper/servlet/JasperLoader) previously initiated loading for a different type with name "javax/servlet/http/HttpServletRequest"
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2451)
at java.lang.Class.getDeclaredMethods(Class.java:1810)
at org.apache.catalina.util.DefaultAnnotationProcessor.processAnnotations(DefaultAnnotationProcessor.java:226)
at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:153)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:340)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:722)
报错的原因是javax.servlet这个jar包冲突(每个web容器都会提供这样一个名为javax.servlet.jar的jar包)
检查项目的依赖树,发现solr-core和solr-dataimporthandler 都有对javax.servelt 的依赖
在pom.xml中排除这些依赖:
重新启动项目之后就不报错了
想在项目中使用solr 在pom.xml文件中添加了solr的依赖 solr-core,solrj 和solr-dataimporthandler
在使用tomcat6插件启动项目的时候报错:
八月 22, 2014 3:43:46 下午 org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.LinkageError: loader constraint violation: loader (instance of org/apache/jasper/servlet/JasperLoader) previously initiated loading for a different type with name "javax/servlet/http/HttpServletRequest"
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2451)
at java.lang.Class.getDeclaredMethods(Class.java:1810)
at org.apache.catalina.util.DefaultAnnotationProcessor.processAnnotations(DefaultAnnotationProcessor.java:226)
at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:153)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:340)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:722)
报错的原因是javax.servlet这个jar包冲突(每个web容器都会提供这样一个名为javax.servlet.jar的jar包)
检查项目的依赖树,发现solr-core和solr-dataimporthandler 都有对javax.servelt 的依赖
在pom.xml中排除这些依赖:
<dependency> <groupId>org.apache.solr</groupId> <artifactId>solr-dataimporthandler</artifactId> <version>4.8.0</version> <exclusions> <exclusion> <groupId>org.eclipse.jetty.orbit</groupId> <artifactId>javax.servlet</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.solr</groupId> <artifactId>solr-core</artifactId> <version>4.8.0</version> <exclusions> <exclusion> <groupId>org.eclipse.jetty.orbit</groupId> <artifactId>javax.servlet</artifactId> </exclusion> </exclusions> </dependency>
重新启动项目之后就不报错了
相关文章推荐
- previously initiated loading for a different type with name "javax/servlet/ServletContext"
- previously initiated loading for a different type with name "javax/servlet/ServletContext"
- 【bug】previously initiated loading for a different type with name "javax/servlet/ServletContext"(142)
- LinkageError之loader (instance of xxx) previously initiated loading for a different type with name "lib/MyData"
- 相对路径获取项目文件 及报错 No mapping found for HTTP request with URI XXX in DispatcherServlet with name ‘springmvc’解决方法
- LinkageError之loader (instance of xxx) previously initiated loading for a different type with name
- No mapping found for HTTP request with URI [/...] in DispatcherServlet with name ...的解决方法
- No mapping found for HTTP request with URI [/app17a/] in DispatcherServlet with name 'springmvc'解决方法
- 6.项目出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path的解决方法
- The method getDispatcherType() is undefined for the type HttpServletRequest的解决方法
- 项目导入时报错:The import javax.servlet.http.HttpServletRequest cannot be resolved 解决方法
- 项目忽然出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决方法
- 项目忽然出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决方法
- java eclipse maven The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决方法
- 项目忽然出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决方法
- 项目忽然出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决方法
- 警告: No mapping found for HTTP request with URI [/web002/list.do] in DispatcherServlet 的解决方法
- Spring : No mapping found for HTTP request with URI in DispatcherServlet with name "..."
- 项目出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决方法
- 项目忽然出现 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 解决方法