exception - Java天堂

严重: Servlet.service() for servlet [spring] in context with path [/XX] threw exception [Request

2021-09-23 Java, 技术, 经验, 面试 exception, hibernate, java, spring, spring mvc 发表评论

一、描述：最近在使用springmvc+spring+hibernate4.0进行整合开发时出现了严重: Servlet.service() for servlet [spring] in context with path [/XX] threw exception [Request processing failed; nested exception is org.hibernate.HibernateException: No Session found for current thread] with root cause org.hibernate.HibernateException: No Session found for current thread 二、问题…

严重: Servlet.service() for servlet [default] in context with path [/a] threw exception [edu.yale.its.

2021-09-16 javaweb algorithm, exception, null, path, service, servlet 发表评论

严重: Servlet.service() for servlet [default] in context with path [/a] threw exception [edu.yale.its.tp.cas.client.CASAuthenticationException: Unable to validate ProxyTicketValidator [[edu.yale.its.tp.cas.client.ProxyTicketValidator proxyList=[null] [edu.yale.its.tp.cas.client.ServiceTicketValidator casValidateUrl=[https://www.jingdu.cn:8443/cas/serviceValidate] ticket…

javax.servlet.ServletException: Servlet execution threw an exception

2021-09-15 Java apache, exception, java, server, servlet, tomcat 发表评论

HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: Servlet execution threw an exception org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738) com.eotruck.pub.filter.EncodingFilter.doFilter(Encodin…

严重: Servlet.service() for servlet jsp threw exception

2021-09-07 Java exception, jsp, object, service, servlet, tomcat 发表评论

严重: Servlet.service() for servlet jsp threw exception java.lang.IllegalStateException: getOutputStream() has already been called forthis response在网上搜索之后的解决方法是：在生成验证码的jsp文件末尾添加两句话out.clear(); out = pageContext.pushBody();===========================================================================tomcat5下jsp出现getOutputStream() has alread…

解决Allocate exception for servlet jsp的问题

2021-09-06 Java, jsp, maven exception, jsp, servlet 发表评论

异常抛出：严重: StandardWrapper.Throwable java.lang.VerifyError: (class: org/apache/jasper/compiler/JspRuntimeContext, method: signature: ()V) Incompatible argument to function at org.apache.jasper.servlet.JspServlet.init(JspServlet.java:100) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206) at org.apache.catalina.core.StandardWrapper.…

OSGi上部署Hibernate的四种方式

2021-08-24 OSGi class, eclipse, exception, extension, hibernate, osgi 发表评论

网上有人写了这么一篇文章，很不错，和大家分享。是在OSGi规范上构建的微内核(Microkenerl)，基于纯组件(Pure Plugin)开放源码企业应用软件平台。OpenCore数据层实现OSGi上集成Hibernate，Hibernate及其依赖库作为一个单独的插件，这样带来一个问题，就是OSGi平台的插件类加载机制使得Hibernate无法正确加载分布在不同插件内部的模型对象与O/R映射文件。本文讨论四种解决方案: 模型对象(Domain Objec…

org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Cannot open connection; uncategorized SQLException for

2021-08-16 编程心得 class, exception, hibernate, JDBC, mysql, nested 发表评论

org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; Cannot load JDBC driver class 'com.mysql.jdbc.Driver'; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' org.springframework.jdbc.…

ScrollableResults的一个小例子

2021-08-15 Java exception, hibernate, JDBC, query, scroll, setter 发表评论

采购请购单在用Hibernate查询数据时，只有 "from 实体对象" 才能得到对象，只查询其中几个属性时，可用类似JDBC里的结果集进行查询，把查询后的数据setter在实体对象里。主要用了Hibernate里的ScrollableResults,由Query的scroll()返回。在用Hibernet进行查询时，当只需要得到对象的几个属性时，查出来的结果是属性值，不是对象，要取得这些属性值，必须把它们转换成object数组…

运行 bin/hadoop jar hadoop-*-examples.jar wordcount报错

2021-06-08 hadoop exception, hadoop, jar, thread 发表评论

报错内容： Exception in thread "main" java.io.IOException: Error opening job: hadoop-*-examples.jar ... 原因：hadoop的版本更新了，hadoop-*-examples.jar 这个文件更名为 hadoop-examples-*.jar了，这里的*代表版本。这个jar文件就在hadoop的根目录，我这里的文件名是 hadoop-examples-1.0.0.jar 解决方法：将输入命令改为： bin/hadoop jar hadoop-examples-*.jar wordcount 参考了：http:…

handler实例，progressbar

2021-04-20 Android android, button, encoding, exception, layout, null 发表评论

xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <ProgressBar android:id="@+id/bar" android:layout_width="200dip" android:layout_height="wrap_content" sty…

android ui EditText

2021-04-13 android UI android, button, exception, input, layout, ui 发表评论

添加10个EditText，获取输入并保存到文件<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:orientation="horizontal" android:layout_width="wrap_content" android:layo…

Java基础加强总结(4)(类加载器)

2021-03-26 Java class, classloader, exception, import, java, string 发表评论

一、类加载器加载类的工具 Java虚拟机提供了三个类加载器： BootStrap:(C++实现的嵌在JVM内核里)-----jre/lib/rt.jar ExtClassLoader:(Java类)-----jre/lib/ext/*.jar AppClassLoader:(Java类)-----classPath指定的所有jar或目录类加载器的委托机制当Java虚拟机要加载一个类时，到底派出哪个类加载器去加载呢？首先当前线程的类加载器去加载线程中的第一个类。如果类A中引用了类B，Java虚拟机…

标签：exception