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java.lang.UnsupportedClassVersionError
Eclipse解决java.lang.UnsupportedClassVersionError问题，只需要把项目用的JDK与你安装的JDK搞成版本一样就解决了．步骤：右击你的项目－－＞属性－－＞Java Compiler，设置合适的版本！！转载 2009-10-17 20:06:00 · 1655 阅读 · 2 评论 -
java.net.BindException: Cannot assign requested address: JVM_Bind:8080
严重: 启动endpoint时有错误 java.net.BindException: Cannot assign requested address: JVM_Bind:8080 at org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(PoolTcpEndpoint.java:297) at org.apache.转载 2009-10-28 20:29:00 · 7168 阅读 · 0 评论 -
java.net.SocketException: Connection reset by peer: socket write error
ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358) at o转载 2009-10-29 14:06:00 · 30299 阅读 · 1 评论 -
Io 异常: The Network Adapter could not establish the connection
这种异常的出现大致上有下面几种：1。IP错误。在设置URL时错误，例如：jdbc:oracle:thin:@192.168.0.36:1521:sharp数据库服务器不正确：ping 服务器IP是否正确。不正确，将URL更改为正确端口号错误：一般不会错误。进行一下操作：在DOS上键入sqlplus，检查oracle是否开启一却正常，执行下转载 2009-10-30 09:29:00 · 5379 阅读 · 1 评论 -
Struts2 Unable to load configuration. - bean - jar:file:…………WEB-INF/lib/struts2-core-2.1.8.jar!
严重: Dispatcher initialization failed Unable to load configuration.- bean -jar:file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%206.0/webapps/Struts2Demo01/WEB-INF/lib/struts2-cor转载 2009-11-07 22:18:00 · 4100 阅读 · 1 评论 -
java.lang.IllegalArgumentException: No bean specified
javax.servlet.ServletException: BeanUtils.populate org.apache.struts.util.RequestUtils.populate(RequestUtils.java:495) org.apache.struts.action.RequestProcessor.processPopulate(RequestProces转载 2009-10-30 22:45:00 · 6223 阅读 · 3 评论 -
java.lang.NegativeArraySizeException
用smartuploat上传文件时报错：java.lang.NegativeArraySizeException此错误一般是因为form写法有错误method要为post并且加上ENCTYPE="multipart/form-data"转载 2009-10-31 11:18:00 · 18411 阅读 · 1 评论 -
Caught exception while loading file struts-default.xml
严重: Exception starting filter Struts2Caused by: Caught exception while loading file struts-default.xml - [unknown location] atcom.opensymphony.xwork2.config.providers.XmlConfigurationProvider.转载 2009-10-31 12:51:00 · 2120 阅读 · 0 评论 -
Software caused connection abort: recv failed
Software caused connection abort: recv failedjava.net.SocketException: Software caused connection abort: recv failedat java.net.SocketInputStream.socketRead0(Nativ转载 2009-11-02 20:21:00 · 5235 阅读 · 0 评论 -
We are already in the process of making 11 connections and the number of simultaneous builds has been throttled to 10
Caused by: java.sql.SQLException: We are already in the process of making 11 connections and the number of simultaneous builds has been throttled to 10情况一但是我的最大值都是120了，是非常大的，不知道怎么回事提示了一转载 2009-10-28 15:16:00 · 18732 阅读 · 0 评论 -
javax.mail.NoSuchProviderException: No provider for pop3
The POP3 provider is not part of the standard JavaMail download. Youllhave to download the pop3.jar seperatly and include it in yourclasspath. Im pretty sure you can grab it from the java.sun.co转载 2009-10-28 17:17:00 · 10458 阅读 · 0 评论 -
No configuration found. Configuring ehcache from ehcache-failsafe.xml found in the classpath: jar:file:/D:/package/java/hibernat
1.WARN SessionFactoryObjectFactory:98 - Could not bind factory to JNDI2.WARNConfigurator:125 - No configuration found. Configuring ehcache fromehcache-failsafe.xml found in the classpath:ja转载 2009-10-28 19:12:00 · 7487 阅读 · 0 评论 -
读取数据库时报java.sql.SQLException: 流已被关闭
问题描述：使用Connection、Statement/PreparedStatement、ResultSet来取数据库信息：.........ResultSet rs = stmt.executeQuery();String str1 = rs.getString(field1);......String str2 = rs.getString(field2);转载 2009-10-18 19:20:00 · 7971 阅读 · 0 评论 -
java.sql.SQLException: Io 异常: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=169869568)(ERR=12519)(ERROR_STACK=(ERROR=(CODE=12519)
java.sql.SQLException: Io 异常: Connectionrefused(DESCRIPTION=(TMP=)(VSNNUM=169869568)(ERR=12519)(ERROR_STACK=(ERROR=(CODE=12519)(EMFI=4)))) at oracle.jdbc.dbaccess.DBError.throwSqlException 这样的问题转载 2009-10-19 12:31:00 · 9573 阅读 · 10 评论 -
Cannot forward after response has been committed
由于重复提交response，所以出现这样的错误！ 异常信息：Cannot forward after response has been committed出错原因：在同一个Servlet/JSP中出现了两个request.getRequestDispatcher().forward()语句解决办法：在forward()语句后添加return()语句。转载 2009-10-20 09:09:00 · 1813 阅读 · 0 评论 -
[mircroftt][sqlserver 2000 driver for jdbc][sqlserver]对象名
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]对象名 ‘xxx’ 无效 根本原因：访问数据库的用户有登录权限，但无操作表的权限解决办法：1. 在[企业控制台]窗口–[树]子窗口–[安全性]子树–[登录]项里将你使用的登陆用户的默认数据库设为你所使用的数据库。2转载 2009-10-22 22:06:00 · 1279 阅读 · 0 评论 -
java.lang.UnsatisfiedLinkError解决方法汇集
J2EE引擎出现java.lang.UnsatisfiedLinkError: CC错误的原因(2008-03-04 11:03:29)标签：报表软件 报表工具 web报表 软件 下载 it 如意报表 分类：基本概念 运行JSP报表程序页面出现java.l转载 2009-10-24 15:03:00 · 2746 阅读 · 0 评论 -
常见EXCEPTION处理
exception一Caused by: java.sql.SQLException: We are already in the process of making 11 connections and the number of simultaneous builds has been throttled to 10http://blog.youkuaiyun.com/swandrag原创 2009-10-28 15:36:00 · 8657 阅读 · 0 评论 -
A Configuration error occurred during startup.Please verify the preference field with the prompt:Cannot find a free socket for t
A Configuration error occurred during startup.Please verify thepreference field with the prompt:Cannot find a free socket for the debugger. 解决方法，推荐第三个 1、在Tomcat Launch Mode中，由Debug mode切换成转载 2009-10-29 14:18:00 · 28965 阅读 · 9 评论 -
spring常见异常
出现的问题解决：问题1：Exceptionin thread "main" java.lang.NoClassDefFoundError:org/apache/commons/logging/LogFactory atorg.springframework.util.ClassUtils.(ClassUtils.java:67) at org.spr转载 2009-10-27 10:28:00 · 2818 阅读 · 0 评论 -
eclipse打包duplicate entry: xx/xx.class 错误
用elipse打包导出jar包出现Problem writing /myApp/WEB-INF/classes/xx/xx.class to JAR: duplicate entry: xx/xx.class 错误原因：有可能选择的目录中存在重复的class文件解决：先clean工程，再打包转载 2009-11-30 19:32:00 · 8639 阅读 · 2 评论