[NET-643] NPE when closing telnet stream

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.6
• Fix Version/s: 3.7
• Component/s: Telnet

Environment

Observed in Android application. Some people encountered similar NPE on desktop years ago:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=395149

• Assignee: Unassigned
• Reporter: Vasily
• Created: 25/Aug/17 12:23
• Updated: 06/Aug/20 12:27
• Resolved: 08/Feb/18 11:58

Description

our code:

try {
            TelnetClient telnetClient = new TelnetClient();
            telnetClient.connect(address, port);
            mInput = new BufferedInputStream(telnetClient.getInputStream());
            mOutput = new PrintStream(telnetClient.getOutputStream());
            BufferedReader br = new BufferedReader(new InputStreamReader(this.mInput));
            ... some IO on streams ...
} catch (IOException e) {
            if (Dbg.DEBUG) {
                Dbg.d(TAG, "telnet exception " + Dbg.getStackTraceString(e));
            }
            return false;
} finally {
            try {
                  if (mInput != null) mInput.close();
                  if (mOutput != null) mOutput.close();
            } catch (IOException ignored) {}
}