Program: 14662
Project: 14662
Buggy source:
@Override public void run(){
  try {
    final boolean fullSync=!Hosts.isCoordinator() && host.isLocalHost() && BootstrapArgs.isCloudController()&& !Databases.isSynchronized();
    final boolean passiveSync=!fullSync && host.hasSynced();
    if (!fullSync && !passiveSync) {
      throw Exceptions.toUndeclared("String_Node_Str" + host);
    }
 else {
      DriverDatabaseClusterMBean cluster=LookupPersistenceContextDatabaseCluster.INSTANCE.apply(contextName);
      final String dbUrl="String_Node_Str" + ServiceUris.remote(Database.class,host.getBindAddress(),contextName);
      final String realJdbcDriver=Databases.getDriverName();
      try {
        if (fullSync) {
          if (cluster.getActiveDatabases().contains(hostName)) {
            LOG.info("String_Node_Str" + host);
            cluster.deactivate(hostName);
          }
          if (cluster.getInactiveDatabases().contains(hostName)) {
            LOG.info("String_Node_Str" + host);
            cluster.remove(hostName);
          }
          LOG.info("String_Node_Str" + host);
          cluster.add(hostName,realJdbcDriver,dbUrl);
          ActivateHostFunction.prepareConnections(host,contextName);
          LOG.info("String_Node_Str" + host + "String_Node_Str"+ cluster.getActiveDatabases());
          cluster.activate(hostName,"String_Node_Str");
          return;
        }
 else         if (passiveSync) {
          try {
            cluster.getDatabase(hostName);
          }
 catch (          IllegalArgumentException ex) {
            cluster.add(hostName,realJdbcDriver,dbUrl);
          }
          if (!cluster.getActiveDatabases().contains(hostName)) {
            ActivateHostFunction.prepareConnections(host,contextName);
            LOG.info("String_Node_Str" + host);
            cluster.activate(hostName,"String_Node_Str");
          }
        }
 else {
          Logs.extreme().info("String_Node_Str" + contextName + "String_Node_Str"+ hostName);
        }
      }
 catch (      Exception ex) {
        throw Exceptions.toUndeclared(ex);
      }
    }
  }
 catch (  final NoSuchElementException ex1) {
    LOG.info(ex1);
    Logs.extreme().debug(ex1,ex1);
    return;
  }
catch (  final IllegalStateException ex1) {
    LOG.info(ex1);
    Logs.extreme().debug(ex1,ex1);
    return;
  }
catch (  final Exception ex1) {
    Logs.extreme().error(ex1,ex1);
    throw Exceptions.toUndeclared("String_Node_Str" + host + "String_Node_Str"+ ex1.getMessage(),ex1);
  }
}

Fixed version (ground truth):
@Override public void run(){
  try {
    final boolean fullSync=!Hosts.isCoordinator() && host.isLocalHost() && BootstrapArgs.isCloudController()&& !Databases.isSynchronized();
    final boolean passiveSync=!fullSync && host.hasSynced();
    if (!fullSync && !passiveSync) {
      throw Exceptions.toUndeclared("String_Node_Str" + host);
    }
 else {
      DriverDatabaseClusterMBean cluster=LookupPersistenceContextDatabaseCluster.INSTANCE.apply(contextName);
      final String dbUrl="String_Node_Str" + ServiceUris.remote(Database.class,host.getBindAddress(),contextName);
      final String realJdbcDriver=Databases.getDriverName();
      try {
        if (fullSync) {
          if (cluster.getActiveDatabases().contains(hostName)) {
            LOG.info("String_Node_Str" + host);
            cluster.deactivate(hostName);
          }
          if (cluster.getInactiveDatabases().contains(hostName)) {
            LOG.info("String_Node_Str" + host);
            cluster.remove(hostName);
          }
          LOG.info("String_Node_Str" + host);
          cluster.add(hostName,realJdbcDriver,dbUrl);
          ActivateHostFunction.prepareConnections(host,contextName);
          LOG.info("String_Node_Str" + host + "String_Node_Str"+ cluster.getActiveDatabases());
          cluster.activate(hostName,"String_Node_Str");
          return;
        }
 else         if (passiveSync) {
          try {
            cluster.getDatabase(hostName);
          }
 catch (          IllegalArgumentException ex) {
            try {
              cluster.add(hostName,realJdbcDriver,dbUrl);
            }
 catch (            Exception ex1) {
            }
          }
          if (!cluster.getActiveDatabases().contains(hostName)) {
            ActivateHostFunction.prepareConnections(host,contextName);
            LOG.info("String_Node_Str" + host);
            cluster.activate(hostName,"String_Node_Str");
          }
        }
 else {
          Logs.extreme().info("String_Node_Str" + contextName + "String_Node_Str"+ hostName);
        }
      }
 catch (      Exception ex) {
        throw Exceptions.toUndeclared(ex);
      }
    }
  }
 catch (  final NoSuchElementException ex1) {
    LOG.info(ex1);
    Logs.extreme().debug(ex1,ex1);
    return;
  }
catch (  final IllegalStateException ex1) {
    LOG.info(ex1);
    Logs.extreme().debug(ex1,ex1);
    return;
  }
catch (  final Exception ex1) {
    Logs.extreme().error(ex1,ex1);
    throw Exceptions.toUndeclared("String_Node_Str" + host + "String_Node_Str"+ ex1.getMessage(),ex1);
  }
}