java.sql.SQLException: No suitable driver found for jdbc:postgresql://localhost:5432/activiti

Stack Overflow | sai576 | 4 years ago
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  1. 0

    Exception while running activiti-rest.war

    Stack Overflow | 4 years ago | sai576
    java.sql.SQLException: No suitable driver found for jdbc:postgresql://localhost:5432/activiti
  2. 0

    java.sql.SQLException: No value specified for parameter 1解决办法_IT知识问答_希赛网

    educity.cn | 2 years ago
    java.sql.SQLException: No value specified for parameter 1 代码如下 public boolean login(UserInfo user)throws Exception{ //用户登录 boolean flag=false; int userNo=Integer.parseInt(user.getUserNo()); String password=user.getPassword(); //测试是否从现在的user对象中取到了值 System.out.println(userNo+"我是USER对象的userNo"); System.out.println(password+"我是USER对象的password"); DatabaseConnection dbc=new DatabaseConnection();//取得数据库连接和关闭对象; try{ String sql="SELECT userNo FROM userInfo where userNo= and password= "; this.conn=dbc.getConnection(); this.pst=conn.prepareStatement(sql); //this.pst.setInt(1, userNo);//给sql中参数赋值 this.pst.setLong(1, userNo); this.pst.setString(2, password); ResultSet rs=pst.executeQuery(); if(rs.next()){//传入用户账号和对应的密码都存在时为真 flag=true; System.out.println(rs.getString(userNo)+"我是从数据库里取出来的"); System.out.print(flag+"测试flag");//测试flag,看是否进入了if里面,true则进入了 rs.close(); } }catch(Exception e){ e.printStackTrace(); }finally{ if(this.pst!=null){ this.pst.close(); } this.conn.close(); } return flag; } 报的错误信息如:
  3. 0

    java.sql.SQLException: No suitable driver - Toolbox for IT Groups

    ittoolbox.com | 9 months ago
    java.sql.SQLException: No suitable driver at java.sql.DriverManager.getConnection(DriverManager .java:545) at java.sql.DriverManager.getConnection(DriverManager .java:171) at com.stc.sql.framework.jdbc.DBConnectionFactory.cre ateConnection(DBConnectionFactory.java:372) at com.stc.sql.framework.jdbc.DBConnectionFactory.get Connection(DBConnectionFactory.java:281) at com.stc.etl.engine.impl.SimpleTask.getConnection(S impleTask.java:254) at com.stc.etl.engine.impl.Extractor.getSelectData(Ex tractor.java:376) at com.stc.etl.engine.impl.Extractor.process(Extracto r.java:190) at com.stc.etl.engine.impl.ETLTaskThread.run(ETLTaskT hread.java:147)
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  5. 0

    1 more error - Java Programming Help - KnowCoding.com

    knowcoding.com | 2 years ago
    java.sql.SQLException: Protocol violation at oracle.jdbc.dbaccess.DBError.throwSqlException(DBE rror.java:134) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBE rror.java:179) at oracle.jdbc.dbaccess.DBError.check_error(DBError.j ava:1160) at oracle.jdbc.ttc7.Ocommoncall.receive(Ocommoncall.j ava:149) at oracle.jdbc.ttc7.TTC7Protocol.rollback(TTC7Protoco l.java:488) at oracle.jdbc.driver.OracleConnection.rollback(Oracl eConnection.java:1412) at net.sf.hibernate.transaction.JDBCTransaction.rollb ack(JDBCTransaction.java:86) at com.azure.spark.database.hibernate.util.HibernateU til.doSessionWork(HibernateUtil.java:90) at com.azure.spark.database.hibernate.util.HibernateU til.doSessionWork(HibernateUtil.java:59) at com.azure.spark.database.hibernate.util.HibernateU til.get(HibernateUtil.java:569) at com.azure.spark.database.hibernate.util.HibernateS ession.get(HibernateSession.java:340) at com.azure.spark.taskcontroller.TaskControllerCompo nent.taskCompleted(TaskControllerComponent.java:11 54) at com.azure.spark.taskcontroller.TaskControllerCompo nent.onTaskEvent(TaskControllerComponent.java:1111 ) at com.azure.spark.taskcontroller.tasks.AbstractTaskC omponent.run(AbstractTaskComponent.java:354)
  6. 0

    " Protocol violation" Error in java application

    javaprogrammingforums.com | 1 year ago
    java.sql.SQLException: Protocol violation at oracle.jdbc.dbaccess.DBError.throwSqlException(DBE rror.java:134) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBE rror.java:179) at oracle.jdbc.dbaccess.DBError.check_error(DBError.j ava:1160) at oracle.jdbc.ttc7.Ocommoncall.receive(Ocommoncall.j ava:149) at oracle.jdbc.ttc7.TTC7Protocol.rollback(TTC7Protoco l.java:488) at oracle.jdbc.driver.OracleConnection.rollback(Oracl eConnection.java:1412) at net.sf.hibernate.transaction.JDBCTransaction.rollb ack(JDBCTransaction.java:86) at com.azure.spark.database.hibernate.util.HibernateU til.doSessionWork(HibernateUtil.java:90) at com.azure.spark.database.hibernate.util.HibernateU til.doSessionWork(HibernateUtil.java:59) at com.azure.spark.database.hibernate.util.HibernateU til.get(HibernateUtil.java:569) at com.azure.spark.database.hibernate.util.HibernateS ession.get(HibernateSession.java:340) at com.azure.spark.taskcontroller.TaskControllerCompo nent.taskCompleted(TaskControllerComponent.java:11 54) at com.azure.spark.taskcontroller.TaskControllerCompo nent.onTaskEvent(TaskControllerComponent.java:1111 ) at com.azure.spark.taskcontroller.tasks.AbstractTaskC omponent.run(AbstractTaskComponent.java:354)

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    Root Cause Analysis

    1. java.sql.SQLException

      No suitable driver found for jdbc:postgresql://localhost:5432/activiti

      at org.activiti.engine.impl.db.DbSqlSession.isTablePresent()
    2. Activiti - Engine
      ProcessEngines.getDefaultProcessEngine
      1. org.activiti.engine.impl.db.DbSqlSession.isTablePresent(DbSqlSession.java:890)
      2. org.activiti.engine.impl.db.DbSqlSession.isEngineTablePresent(DbSqlSession.java:854)
      3. org.activiti.engine.impl.db.DbSqlSession.dbSchemaUpdate(DbSqlSession.java:806)
      4. org.activiti.engine.impl.db.DbSqlSession.performSchemaOperationsProcessEngineBuild(DbSqlSession.java:1100)
      5. org.activiti.engine.impl.SchemaOperationsProcessEngineBuild.execute(SchemaOperationsProcessEngineBuild.java:25)
      6. org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
      7. org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:60)
      8. org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:32)
      9. org.activiti.engine.impl.ProcessEngineImpl.<init>(ProcessEngineImpl.java:75)
      10. org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:311)
      11. org.activiti.engine.ProcessEngines.buildProcessEngine(ProcessEngines.java:194)
      12. org.activiti.engine.ProcessEngines.initProcessEnginFromResource(ProcessEngines.java:167)
      13. org.activiti.engine.ProcessEngines.init(ProcessEngines.java:98)
      14. org.activiti.engine.ProcessEngines.getProcessEngine(ProcessEngines.java:224)
      15. org.activiti.engine.ProcessEngines.getDefaultProcessEngine(ProcessEngines.java:217)
      15 frames
    3. org.activiti.rest
      ActivitiServletContextListener.contextInitialized
      1. org.activiti.rest.servlet.ActivitiServletContextListener.contextInitialized(ActivitiServletContextListener.java:39)
      1 frame
    4. Glassfish Core
      HostConfig$DeployWar.run
      1. org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4791)
      2. org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
      3. org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
      4. org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
      5. org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
      6. org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
      7. org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:977)
      8. org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1655)
      8 frames
    5. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
      2. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
      3. java.util.concurrent.FutureTask.run(FutureTask.java:138)
      4. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
      5. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
      6. java.lang.Thread.run(Thread.java:662)
      6 frames