Javax.naming.namenotfoundexcep ... [英] Javax.naming.namenotfoundexcep...

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问题描述

我在堆栈跟踪中遇到异常：



 20：00：08,105 ERROR [stderr]（DefaultQuartzScheduler_Worker-1）javax .naming.NameNotFoundException：java：comp / env 
 20：00：08,111 ERROR [stderr]（DefaultQuartzScheduler_Worker-1）at org.jboss.as.naming.InitialContext.lookup（InitialContext.java:121) 
 20：00：08,124 ERROR [stderr]（DefaultQuartzScheduler_Worker-1）at org.jboss.as.naming.NamingContext.lookup（NamingContext.java:214）
 20：00：08,124 ERROR [stderr]（DefaultQuartzScheduler_Worker- 1）在javax.naming.InitialContext.lookup（InitialContext.java:411）
 20：00：08,124 ERROR [stderr]（DefaultQuartzScheduler_Worker-1）at com.comsats.cibs.db.conn.ConnectionPool.getConnection（ ConnectionPool.java:99）
 20：00：08,124错误[stderr]（DefaultQuartzScheduler_Worker-1）at com.comsats.cibs.db.conn.CIBSPoolManager.getConnection（CIBSPoolManager.java:57）
 20 ：00：08,124 com.comsats.cibs.db中的ERROR [stderr]（DefaultQuartzScheduler_Worker-1）。 dao.sysmngmt.NodeDaoMySqlImpl.getAllNodes（NodeDaoMySqlImpl.java:51）
 20：00：08,124错误[stderr]（DefaultQuartzScheduler_Worker-1）at com.comsats.cibs.db.dao.sysmngmt.SysMngmntFacade.getAllNodes（SysMngmntFacade） .java：874）
 20：00：08,124错误[stderr]（DefaultQuartzScheduler_Worker-1）at com.comsats.cibs.schedular.InvoiceGeneration.execute（InvoiceGeneration.java:31）
 20:00： 08,124 ERROR [stderr]（DefaultQuartzScheduler_Worker-1）atg.quartz.core.JobRunShell.run（JobRunShell.java:202）
 20：00：08,124 org.quartz的ERROR [stderr]（DefaultQuartzScheduler_Worker-1）。 simpl.SimpleThreadPool $ WorkerThread.run（SimpleThreadPool.java:573）





我尝试过：



我正在运行一个调度程序，我正在调用数据库：



  @覆盖 
  public   void 执行（JobExecutionConte xt arg0） throws  JobExecutionException {
  synchronized （字符串。 class ）{
 CIBSInvoiceGenerationTimer ci =  new  CIBSInvoiceGenerationTimer（）; 
 InvoiceTransationManager it =  new  InvoiceTransationManager（）; 
 Iterator nodes = null; 
 SysMngmntFacade sysFacade = SysMngmntFacade.getInstance（）; 
 
  try  {
 nodes = sysFacade.getAllNodes（）; 
}  catch （SQLException e1）{
  //   TODO自动生成的捕获块 
 e1.printStackTrace（）; 
}  catch （NoRecordsFoundException e1）{
  //   TODO自动生成的捕获块 
 e1.printStackTrace（）; 
}  catch （例外e1）{
  //   TODO自动生成的捕获块 
 e1.printStackTrace（）; 
} 
} 
}





getAllNodes连接到数据库，如：



 CIBSPoolManager poolManager = CIBSPoolManager.getInstance（）; 
连接connect = poolManager.getConnection（  mysql）;





比getConnection：





  public 连接getConnection（ String  name）{
 
 conn = pool.getConnection（）; 
  return  conn; 
}





然后在pool.getConnection



< pre lang =java> public Connection getConnection（）
{
InitialContext initContext = null;
上下文envContext = null;
DataSource ds = null;
连接conn = null;
尝试 {
initContext = new InitialContext（）;
} catch （NamingException e3）{
// TODO自动生成的捕获块
e3.printStackTrace（）;
}

尝试 {
envContext =（Context）initContext.lookup（ java：comp / env）;
} catch （NamingException e2）{
// TODO自动生成的捕获块
e2.printStackTrace（）;
}

尝试 {
ds =（DataSource）envContext.lookup（ cibsmysql）;
} catch （NamingException e1）{
// TODO自动生成的捕获块
e1.printStackTrace（）;
}

尝试 {
conn = ds.getConnection（）;
} catch （SQLException e）{
// TODO自动生成的捕获块
e.printStackTrace（）;
}
System.out.println（ 获取连接）;
return conn;
}





我在项目的每个地方都使用过此代码并且工作正常。但是现在我想制定一个调度程序来运行一些代码，但是在调度时我来到这个行：



 envContext =（Context ）initContext.lookup（  java：comp / env）;





有人可以指导我。很明显，不连接的原因可能是因为这个调度，但我无法弄清楚原因和解决方案。我也在其他论坛上问过但没有答案。需要帮助：（

解决方案

WorkerThread.run（SimpleThreadPool.java:573）





我尝试过：



我正在运行一个调度程序，我正在调用数据库：



  @ Override  
  public   void  execute（JobExecutionContext arg0） throws  JobExecutionException {
  synchronized （ String 。 class ）{
 CIBSInvoiceGenerationTimer ci =  new  CIBSInvoiceGenerationTimer（）; 
 InvoiceTransationManager it =  new  InvoiceTransationManager（）; 
 Iterator nodes = null; 
 SysMngmntFacade sysFacade = SysMngmntFacade.getInstance（）; 
 
 尝试 {
 nodes = sysFacade.getAllNodes（）; 
}  catch （SQLException e1）{
  //   TODO自动生成的捕获块 
 e1.printStackTrace（）; 
}  catch （NoRecordsFoundException e1）{
  //   TODO自动生成的捕获块 
 e1.printStackTrace（）; 
}  catch （例外e1）{
  //   TODO自动生成的捕获块 
 e1.printStackTrace（）; 
} 
} 
}





getAllNodes连接到数据库，如：



 CIBSPoolManager poolManager = CIBSPoolManager.getInstance（）; 
连接connect = poolManager.getConnection（  mysql）;





比getConnection：





  public 连接getConnection（ String  name）{
 
 conn = pool.getConnection（）; 
  return  conn; 
}





然后在pool.getConnection



< pre lang =java> public Connection getConnection（）
{
InitialContext initContext = null;
上下文envContext = null;
DataSource ds = null;
连接conn = null;
尝试 {
initContext = new InitialContext（）;
} catch （NamingException e3）{
// TODO自动生成的捕获块
e3.printStackTrace（）;
}

尝试 {
envContext =（Context）initContext.lookup（ java：comp / env）;
} catch （NamingException e2）{
// TODO自动生成的捕获块
e2.printStackTrace（）;
}

尝试 {
ds =（DataSource）envContext.lookup（ cibsmysql）;
} catch （NamingException e1）{
// TODO自动生成的捕获块
e1.printStackTrace（）;
}

尝试 {
conn = ds.getConnection（）;
} catch （SQLException e）{
// TODO自动生成的捕获块
e.printStackTrace（）;
}
System.out.println（ 获取连接）;
return conn;
}





我在项目的每个地方都使用过此代码并且工作正常。但是现在我想制定一个调度程序来运行一些代码，但是在调度时我来到这个行：



 envContext =（Context ）initContext.lookup（  java：comp / env）;





有人可以指导我。很明显，不连接的原因可能是因为这个调度，但我无法弄清楚原因和解决方案。我也在其他论坛上问过但没有答案。需要帮助：（


I m getting an exception with stacktrace :

20:00:08,105 ERROR [stderr] (DefaultQuartzScheduler_Worker-1) javax.naming.NameNotFoundException: java:comp/env
20:00:08,111 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at org.jboss.as.naming.InitialContext.lookup(InitialContext.java:121)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:214)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at javax.naming.InitialContext.lookup(InitialContext.java:411)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at com.comsats.cibs.db.conn.ConnectionPool.getConnection(ConnectionPool.java:99)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at com.comsats.cibs.db.conn.CIBSPoolManager.getConnection(CIBSPoolManager.java:57)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at com.comsats.cibs.db.dao.sysmngmt.NodeDaoMySqlImpl.getAllNodes(NodeDaoMySqlImpl.java:51)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at com.comsats.cibs.db.dao.sysmngmt.SysMngmntFacade.getAllNodes(SysMngmntFacade.java:874)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at com.comsats.cibs.schedular.InvoiceGeneration.execute(InvoiceGeneration.java:31)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
20:00:08,124 ERROR [stderr] (DefaultQuartzScheduler_Worker-1)   at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)



What I have tried:

I am running a schedular in which i m making a call to the database:

@Override
public void execute(JobExecutionContext arg0) throws JobExecutionException {
    synchronized(String.class){
        CIBSInvoiceGenerationTimer ci = new CIBSInvoiceGenerationTimer();
        InvoiceTransationManager it = new InvoiceTransationManager();
        Iterator nodes = null;
        SysMngmntFacade sysFacade = SysMngmntFacade.getInstance();

        try {
            nodes = sysFacade.getAllNodes();
        } catch (SQLException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (NoRecordsFoundException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (Exception e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } 
    }
}



getAllNodes goes to connect to the db like:

CIBSPoolManager poolManager = CIBSPoolManager.getInstance();
 Connection connect = poolManager.getConnection("mysql");



than in getConnection:


public Connection getConnection(String name) {

    conn = pool.getConnection(); 
    return conn;
}



then in pool.getConnection

public Connection getConnection()
{
    InitialContext initContext = null;
    Context envContext = null;
    DataSource ds=null;
    Connection conn=null;
    try {
        initContext = new InitialContext();
    } catch (NamingException e3) {
        // TODO Auto-generated catch block
        e3.printStackTrace();
    }

    try {
        envContext = (Context)initContext.lookup("java:comp/env");
    } catch (NamingException e2) {
        // TODO Auto-generated catch block
        e2.printStackTrace();
    }

    try {
        ds = (DataSource) envContext.lookup("cibsmysql");
    } catch (NamingException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        conn = ds.getConnection();
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    System.out.println("Connection acquired");
    return conn;
}



I have used this code everywhere in the project and it has worked fine . But now i wanted to make a schedular to run some code but in schedular when i come to the line :

envContext = (Context)initContext.lookup("java:comp/env");



Can someone please guide me . It's pretty obvious that the reason of not connecting probably because of this schedular but i can't figure out the reason and solution. I have asked on other forum too but no answer . Need help :(

解决方案

WorkerThread.run(SimpleThreadPool.java:573)



What I have tried:

I am running a schedular in which i m making a call to the database:

@Override
public void execute(JobExecutionContext arg0) throws JobExecutionException {
    synchronized(String.class){
        CIBSInvoiceGenerationTimer ci = new CIBSInvoiceGenerationTimer();
        InvoiceTransationManager it = new InvoiceTransationManager();
        Iterator nodes = null;
        SysMngmntFacade sysFacade = SysMngmntFacade.getInstance();

        try {
            nodes = sysFacade.getAllNodes();
        } catch (SQLException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (NoRecordsFoundException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (Exception e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } 
    }
}



getAllNodes goes to connect to the db like:

CIBSPoolManager poolManager = CIBSPoolManager.getInstance();
 Connection connect = poolManager.getConnection("mysql");



than in getConnection:


public Connection getConnection(String name) {

    conn = pool.getConnection(); 
    return conn;
}



then in pool.getConnection

public Connection getConnection()
{
    InitialContext initContext = null;
    Context envContext = null;
    DataSource ds=null;
    Connection conn=null;
    try {
        initContext = new InitialContext();
    } catch (NamingException e3) {
        // TODO Auto-generated catch block
        e3.printStackTrace();
    }

    try {
        envContext = (Context)initContext.lookup("java:comp/env");
    } catch (NamingException e2) {
        // TODO Auto-generated catch block
        e2.printStackTrace();
    }

    try {
        ds = (DataSource) envContext.lookup("cibsmysql");
    } catch (NamingException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    try {
        conn = ds.getConnection();
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    System.out.println("Connection acquired");
    return conn;
}



I have used this code everywhere in the project and it has worked fine . But now i wanted to make a schedular to run some code but in schedular when i come to the line :

envContext = (Context)initContext.lookup("java:comp/env");



Can someone please guide me . It's pretty obvious that the reason of not connecting probably because of this schedular but i can't figure out the reason and solution. I have asked on other forum too but no answer . Need help :(


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