Program: 73306
Project: 73306
Buggy source:
/** 
 * Replace the targetEntity with the proxy.  This configuration would allow execution of the model where sinks or sources run remotely and proxies execute instead of them and pass information to/from them.
 * @param targetEntity The target entity that is replaced with the proxy
 * @param portTypes The map of ports and their resolved types
 * @exception CloneNotSupportedException
 * @exception IllegalActionException
 * @exception NameDuplicationException
 */
private void _replaceTargetEntity(ComponentEntity targetEntity,HashMap<String,Type> portTypes) throws CloneNotSupportedException, IllegalActionException, NameDuplicationException {
  ArrayList<Attribute> attributes=new ArrayList<Attribute>(targetEntity.attributeList());
  for (  Attribute attribute : attributes) {
    attribute.setContainer(this);
  }
  for (  Object portObject : targetEntity.portList()) {
    if (!(portObject instanceof IOPort)) {
      continue;
    }
    IOPort port=(IOPort)portObject;
    IOPort remotePort=(IOPort)port.clone(port.workspace());
    remotePort.setName(port.getName());
    remotePort.setContainer(this);
    remotePort.setPersistent(true);
    if (remotePort instanceof TypedIOPort) {
      Type type=portTypes.get(port.getFullName());
      ((TypedIOPort)remotePort).setTypeEquals(type);
      StringAttribute targetPortName=new StringAttribute(remotePort,"String_Node_Str");
      targetPortName.setExpression(port.getFullName());
    }
    for (    Object relationObject : port.linkedRelationList()) {
      Relation relation=(Relation)relationObject;
      port.unlink(relation);
      remotePort.link(relation);
    }
    port.unlinkAll();
  }
  targetEntity.setContainer(null);
}

Fixed version (ground truth):
/** 
 * Replace the targetEntity with the proxy.  This configuration would allow execution of the model where sinks or sources run remotely and proxies execute instead of them and pass information to/from them.
 * @param targetEntity The target entity that is replaced with the proxy
 * @param portTypes The map of ports and their resolved types
 * @exception CloneNotSupportedException
 * @exception IllegalActionException
 * @exception NameDuplicationException
 */
private void _replaceTargetEntity(ComponentEntity targetEntity,HashMap<String,String> portTypes) throws CloneNotSupportedException, IllegalActionException, NameDuplicationException {
  ArrayList<Attribute> attributes=new ArrayList<Attribute>(targetEntity.attributeList());
  for (  Attribute attribute : attributes) {
    attribute.setContainer(this);
  }
  for (  Object portObject : targetEntity.portList()) {
    if (!(portObject instanceof IOPort)) {
      continue;
    }
    IOPort port=(IOPort)portObject;
    IOPort remotePort=(IOPort)port.clone(port.workspace());
    remotePort.setName(port.getName());
    remotePort.setContainer(this);
    remotePort.setPersistent(true);
    if (remotePort instanceof TypedIOPort) {
      Type type=TypeParser.parse(portTypes.get(port.getFullName()));
      ((TypedIOPort)remotePort).setTypeEquals(type);
      StringAttribute targetPortName=new StringAttribute(remotePort,"String_Node_Str");
      targetPortName.setExpression(port.getFullName());
    }
    for (    Object relationObject : port.linkedRelationList()) {
      Relation relation=(Relation)relationObject;
      port.unlink(relation);
      remotePort.link(relation);
    }
    port.unlinkAll();
  }
  targetEntity.setContainer(null);
}