修改第15行# gem ‘therubyracer‘, platforms: :ruby去掉注释 执行 bundle install 原文:http://www.cnblogs.com/ziyouchutuwenwu/p/4123388.html
java连接mysql 8.0.11报错java.sql.SQLException: Unknown system variable ‘query_cache_size‘ at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:545) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:513) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:115) at com.mysql.cj.jdbc.ConnectionImpl.execSQL(Con...
问题: 如上图, 没改钱@Override会报错The method run() of type must override a superclass method 原因: java1.5中继承接口是不需要@Override的,而在1.6中是需要添加@Override注解的解决: 解决此问题的办法是修改java编译器的版本,方法是:elicpse的Project菜单 --> Properties --> 找到Java Compiler将Compiler Compliance level修改为1.5以上版本即可 解决完成后可能还回有Description Resource Path Location Type J...
有返回值的方法没问题, 直接andReturn就行了.EasyMock.expect(info.getWebTitle()).andReturn(StringUtils.EMPTY).anyTimes();对于set方法没有返回值, 报错AssertionError, 需要如下处理.info.setSessionID(EasyMock.anyString()); 原文:https://www.cnblogs.com/xdecode/p/9117664.html
按照上面的截图步骤,一步步往下走,再运行程序时就不会报错了。原文链接:https://blog.csdn.net/qq_22076345/article/details/82392236感谢原文作者的文章,让我顺利解决了眼前的问题。原文:https://www.cnblogs.com/ws0316/p/11880441.html
之前.只配置了root权限的jdk启动好使,但在修复selenium grid远程驱动后启动tomcat,报如上错误解决办法:在启动tomcat的用户下编辑环境变量添加jdk:export JAVA_HOME=/home/web1/jdk1.7.0_79/export PATH=$JAVA_HOME/bin:$PATHexport CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar解决成功:perfect原文:https://www.cnblogs.com/RENQIWEI1995/p/8350945.html
问题:用eclipse创建maven项目的时候,pom.xml中相关的依赖jar已经导入进去,还会报java.lang.ClassNotFoundException的错误,提示找不到相关的jar包,但是在maven Dependencies中又可以找到相关的jar包。 问题原因:我们进入到tomcat的部署路径下:E:\workplace4.6\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\springmvc.redis\WEB-INF,其中E:\workplace4.6为你的项目空间,springmvc.redis为你的项目名,进...
JPush基类库导入需在基类库(注意是基类库,非应用项目)的build.gradle文件-sourceSets项中手动配置jniLibs.srcDir ‘src/main/libs‘,否则JPush无法正确的加载libjpush.so文件如:sourceSets {main {manifest.srcFile ‘AndroidManifest.xml‘
java.srcDirs = [‘src‘]resources.srcDirs = [‘src‘]aidl.srcDirs = [‘src‘]renderscript.srcDirs = [‘src‘]res.srcDirs = [‘res‘]assets.srcDirs = [‘assets‘]jniLibs.s...
报错信息如下Failed with exception java.io.IOException:java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative path in absolute URI: ${system:user.name%7D解决方法:编辑 hive-site.xml 文件,添加下边的属性<property>
<name>system:java.io.tmpdir</name>
<value>/home/hive/apache-hive-1.2.2-bin/iotmp</value>
<description/>
</property>并修改属性hive.exec.local.scratchdir <property><name>h...
package test;import java.util.Scanner;import java.util.Random;public class caiquan { public static void main(String[] args){ Game g=new Game(); g.begin(); }//将这个类定义为静态就好了,也就说改成 static class Game class Game{ public void begin(){ System.out.println("********************"); System.out.println("A finger-guessing game"); System.out.println("********************"); System.o...
学习Java Servlet时,从Wrox上下载了示例代码,准备run/debug时发现以下错误: Error running Tomcat 8.5.8: Unable to open debugger port (127.0.0.1:49551): java.net.SocketException "Socket closed"/Users/GuQiang/Tomcat/apache-tomcat-8.5.8/bin/catalina.sh stopUsing CATALINA_BASE: C:\Program Files\Apache Software Foundation\Tomcat 8.0Unable to start as CATALINA_BASE contains a colon (:) character 看了网上...
1、Java Web项目(Extjs)报错二 具体报错如下:usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ] { -help | start | stop }
2014-3-26 22:46:18 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.27 using APR version 1.4.6.
2014-3-26 22:46:18 org.apache.catalina.core.AprLifecycleListener init
信息: APR capab...
Intellij IDEA 报错java.lang.NoClassDefFoundError11-Aug-2018 23:48:24.686 严重 [http-nio-8080-exec-5] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [com.wbg.testservlet] in context with path [] threw exception [Servlet execution threw an exception] with root cause java.lang.ClassNotFoundException: com.wbg.testDaoat org.apache.catalina.loader.WebappClassLoaderBas...
项目移除原来的jre环境lib后,添加本地的jre,报错如下:Java compiler level does not match the version of the installed Java project facet.问题就出在切换了java版本上: 在项目的properties中,myeclipse->project facets->java version改成1.7 即可。原文:http://www.cnblogs.com/brolanda/p/4244409.html
报错日志: java.lang.IllegalStateException: File name has been re-used with different files. Spooling assumptions violated for /usr/local/data/flumedata/words.txt.COMPLETEDat org.apache.flume.client.avro.ReliableSpoolingFileEventReader.rollCurrentFile(ReliableSpoolingFileEventReader.java:378)at org.apache.flume.client.avro.ReliableSpoolingFileEventReader.retireCurrentFile(ReliableSpoolingFileEvent...