java.lang.LinkageError: loader constraint violation: when resolving interface method
2012-01-01 09:50
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JBPM4集成到web
project, Tomcat异常
java.lang.LinkageError: loader constraint violation: when resolving interface method "javax.servlet.jsp.JspApplicationContext.getExpressionFactory()Ljavax/el/ExpressionFactory;" the class loader
(instance of org/apache/jasper/servlet/JasperLoader) of the current class, org/apache/jsp/index_jsp, and the class loader (instance of org/apache/catalina/loader/StandardClassLoader) for resolved class, javax/servlet/jsp/JspApplicationContext,
have different Class objects for the type javax/el/ExpressionFactory used in the signature
org.apache.jsp.index_jsp._jspInit(index_jsp.java:23)
org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:52)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:159)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
仔细观察上边异常提示,不难发现是由于解析jsp文件的类有两个,java不知道使用哪个解析jsp文件造成的。
解决方法:1. 删除你项目中WEB-INF/lib目录下的三个jar包(juel.jar, juel-engine.jar, juel-impl.jar )。
2. 将三个jar包(juel.jar, juel-engine.jar, juel-impl.jar )拷贝到${tomcate 1.6}/lib目录下。
project, Tomcat异常
java.lang.LinkageError: loader constraint violation: when resolving interface method "javax.servlet.jsp.JspApplicationContext.getExpressionFactory()Ljavax/el/ExpressionFactory;" the class loader
(instance of org/apache/jasper/servlet/JasperLoader) of the current class, org/apache/jsp/index_jsp, and the class loader (instance of org/apache/catalina/loader/StandardClassLoader) for resolved class, javax/servlet/jsp/JspApplicationContext,
have different Class objects for the type javax/el/ExpressionFactory used in the signature
org.apache.jsp.index_jsp._jspInit(index_jsp.java:23)
org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:52)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:159)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
仔细观察上边异常提示,不难发现是由于解析jsp文件的类有两个,java不知道使用哪个解析jsp文件造成的。
解决方法:1. 删除你项目中WEB-INF/lib目录下的三个jar包(juel.jar, juel-engine.jar, juel-impl.jar )。
2. 将三个jar包(juel.jar, juel-engine.jar, juel-impl.jar )拷贝到${tomcate 1.6}/lib目录下。
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