tomcat常见问题

5ol.cc

[WARNING] Unable to process>　　pom.xml中过滤icu4j
　　icu4j com.ibm.icu
　　The Apache Tomcat Native library which allows optimal performance in production environments was not found ……
　　下载tcnative-1.dll文件放到path目录下, 区分32位/64位
　　解决SSL证书PKIX问题
　　解决SSL证书PKIX问题 Java安全通信：HTTPS与SSL Java#PKIX path building failed
　　java.lang.IllegalStateException: BeanFactory not initialized or already closed - call ‘refresh’ before accessing beans via the ApplicationContext
　　重新编译

　　JRebel-SDK-CBP: ERROR>　　mybatis要用3.2.7, 3.3.0版本中Reflector类缺少forClass方法
　　WARN CacheConfiguration - Cache ‘Cache1’ is set to eternal but also has TTI/TTL set. To avoid this warning, clean up the config removing conflicting values of eternal, TTI and TTL. Effective configuration for Cache ‘Cache1’ will be eternal=’true’, timeToIdleSeconds=’0’, timeToLiveSeconds=’0’.
　　可以不管，或者修改ehcache.xml中配置
　　java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet.class
　　缺少jar包
　　<dependency>
　　<groupId>org.springframework</groupId>
　　<artifactId>spring-webmvc</artifactId>
　　<version>3.0.5.RELEASE</version>
　　</dependency>
　　org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
　　缺少jar包
　　<dependency>
　　<groupId>jstl</groupId>
　　<artifactId>jstl</artifactId>
　　<version>1.2</version>
　　</dependency>
　　java.lang.IllegalStateException: Cannot map handler ‘com.lzk.controller.ViewController0’ to URL path [/view.form]: There is already handler of type [class com.lzk.controller.ViewController] mapped.
　　java 代码里使用了注解 又在配置文件配置了bean

　　Unsupported major.minor version 52.0 (unable to load>　　Eclipse配置Tomcat的JDK版本与项目的JDK版本不一致, 属性设置Tomcat的JDK版本 unsupported major.minor version 解决方法 错误：Unsupported major.minor version 51.0（jdk版本错误）
　　WARN UUIDHexGenerator:59 - HHH000409: Using org.hibernate.id.UUIDHexGenerator which does not generate IETF RFC 4122 compliant UUID values; consider using org.hibernate.id.UUIDGenerator instead
　　Using org.hibernate.id.UUIDHexGenerator的解决方案
　　org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
　　缺少jar包 ```xml
　　org.codehaus.jackson jackson-core-asl org.codehaus.jackson jackson-mapper-asl
　　```
　　org.apache.tomcat.util.bcel.classfile.ClassFormatException: null is not a Java .class file
　　在$TOMCAT_HOME/conf/catalina.properties文件 的tomcat.util.scan.DefaultJarScanner.jarsToSkip中添加DB2驱动的Jar包文件名如” db2jcc4.jar” 即可。
　　本文选自福州楼凤