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japazilian / multitype

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Closing multiple shared files at once causes Null Pointer at server #39

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1. Become host
2. Share multiple files (select at least 2, right click and press Share)
3. Close multiple shared files (select at least 2 from File List, right click 
and press Stop Sharing)

*** Update to latest code for the ability to close multiple files at the same 
time

What is the expected output? What do you see instead?
Expected: Close_Shared_File feu sent to other clients
Getting: Close_Shared_File feu, but also a Null pointer at server (See code)

Please use labels and text to provide additional information.

============ Eclipse ===============

Received: FEU: NF | Type: Connection_Succeed | ASGN ID: 0

GetUpdate: FEU: NF | Type: Connection_Succeed | ASGN ID: 0
Sent: FEU: NF | Type: User_Connected | UID: 0 | UNAME: Ryan

Received: FEU: NF | Type: User_Connected | UID: 0 | UNAME: Ryan

Received: FEU: NF | Type: User_Connected | UID: 0 | UNAME: Ryan

Received: FEU: NF | Type: New_Host | UID: -1 | FID: -1 | CONTENT:  | 

GetUpdate: FEU: NF | Type: User_Connected | UID: 0 | UNAME: Ryan
GetUpdate: FEU: NF | Type: User_Connected | UID: 0 | UNAME: Ryan
GetUpdate: FEU: NF | Type: New_Host | UID: -1 | FID: -1 | CONTENT:  | 
Sent: FEU: NF | Type: Request_Host | UID: 0 | FID: -1 | CONTENT: Ryan | 

Received: FEU: NF | Type: New_Host | UID: 0 | FID: -1 | CONTENT:  | 

GetUpdate: FEU: NF | Type: New_Host | UID: 0 | FID: -1 | CONTENT:  | 
Sent: FEU: NF | Type: New_Shared_File | UID: 0 | FID: 0 | CONTENT: Test.txt | 

Received: FEU: NF | Type: New_Shared_File | UID: 0 | FID: 0 | CONTENT: Test.txt 
| 

GetUpdate: FEU: NF | Type: New_Shared_File | UID: 0 | FID: 0 | CONTENT: 
Test.txt | 
Sent: FEU: NF | Type: New_Shared_File | UID: 0 | FID: 1 | CONTENT: Test2.txt | 

Received: FEU: NF | Type: New_Shared_File | UID: 0 | FID: 1 | CONTENT: 
Test2.txt | 

GetUpdate: FEU: NF | Type: New_Shared_File | UID: 0 | FID: 1 | CONTENT: 
Test2.txt | 
*** Closing shared file: 0 - Test.txt
*** Closing shared file: 1 - Test2.txt
Sent: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 0 | CONTENT: Test.txt | 

Sent: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 1 | CONTENT: Test2.txt 
| 

Received: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 0 | CONTENT: 
Test.txt | 

GetUpdate: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 0 | CONTENT: 
Test.txt | 
Received: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 1 | CONTENT: 
Test2.txt | 

GetUpdate: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 1 | CONTENT: 
Test2.txt | 
Sent: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 0 | CONTENT: Test.txt | 

Received: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 0 | CONTENT: 
Test.txt | 

GetUpdate: FEU: NF | Type: Close_Shared_File | UID: 0 | FID: 0 | CONTENT: 
Test.txt | 

============== Server ===================

Server Running.
Accepted Client
Sent client UID: 0
Client Added
Sending: --------------------
Notification FEU:
type: Connection_Succeed
assign id: 0
---------------------
Received: --------------------
Notification FEU:
type: User_Connected
user id: 0
username: Ryan
---------------------
Sending 1 users to client 0
Sending: --------------------
Notification FEU:
type: User_Connected
user id: 0
username: Ryan
---------------------
Sending: --------------------
Notification FEU:
type: User_Connected
user id: 0
username: Ryan
---------------------
Sending: --------------------
Notification FEU:
type: New_Host
---------------------
Received: --------------------
Notification FEU:
type: Request_Host
---------------------
Sending: --------------------
Notification FEU:
type: New_Host
---------------------
Received: --------------------
Notification FEU:
type: New_Shared_File
---------------------
Sending: --------------------
Notification FEU:
type: New_Shared_File
---------------------
Added a new file. FID: 0
Sending: --------------------
Notification FEU:
type: New_Shared_File
---------------------
Received: --------------------
Notification FEU:
type: New_Shared_File
---------------------
Added a new file. FID: 1
Received: --------------------
Notification FEU:
type: Close_Shared_File
---------------------
Received: --------------------
Notification FEU:
type: Close_Shared_File
---------------------
Removed file 0
Sending: --------------------
Notification FEU:
type: Close_Shared_File
---------------------
Removed file 1
Sending: --------------------
Notification FEU:
type: Close_Shared_File
---------------------
Received: --------------------
Notification FEU:
type: Close_Shared_File
---------------------
Exception in thread "Thread-2" java.lang.NullPointerException
    at FileUserManager.removeFile(FileUserManager.java:216)
    at NotificationProcessor.processFEU(NotificationProcessor.java:71)
    at NotificationProcessor.run(NotificationProcessor.java:29)
    at java.lang.Thread.run(Thread.java:680)
Sending: --------------------
Notification FEU:
type: Close_Shared_File
---------------------

Original issue reported on code.google.com by rvmille...@gmail.com on 19 Apr 2011 at 6:55