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How to get dynamically session object in struts2

I am trying to get dynamically session object in struts2 application. <s:if test="%{#session['resToken'].bookingType == 1}"> resToken can be get by <s:property value="%{resToken}">.. But I can't write <s:property> within <s:if test=""> its giving me error of double quotes.. org.apache.jasper.JasperException: /WEB-INF/jsp/booking/banquet/guest-Info-View.jsp(150,40) Unterminated <s:if tag

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Java LinkedList iterator being exhausted prematurely

- by Sujeet

I am using LinkedList and retrieving an Iterator object by using list.iterator(). After that, I am checking it.hasNext(), real issue is while checking it.hasNext(), sometimes it returns false. I need help why this is happening, though I have elements in the list. Some code: public synchronized void check(Object obj) throws Exception { Iterator itr = list.iterator(); while(itr.hasNext()) { //This Line I get false.. though i have list size is 1 Item p = (Item)itr.next(); if(p.getId() == null) {continue;} if(p.getId().getElemntId() == obj.getId() || obj.getId() == 0 ) { p.setResponse(obj); notifyAll(); return; } } Log.Error("validate failed obj.getId="+obj.getId()+" **list.size="+list.size()*This shows 1*); throw new Exception("InvalidData"); }

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Session Sharing with another User on *NIX and Windows

- by Giri Mandalika

Oracle Solaris Since Solaris is not widely known for its graphical interface, let's just focus on sharing a terminal session in read-only mode with another user on the same system. Here is an example. eg., % finger Login Name TTY Idle When Where root Super-User pts/1 Sat 16:57 dhcp-amer-vpn-rmdc-a sunperf ??? pts/2 4 Sat 16:41 pitcher.sfbay.sun.com In this example, two users root and sunperf are connected to the same system from two different terminals pts/1 and pts/2 respectively. If the root user wants to show something to sunperf user -- what s/he is doing in her/his terminal, for example, it can be accomplished with the following command. script -a /dev/null | tee -a <target_terminal eg., # script -a /dev/null | tee -a /dev/pts/2 Script started, file is /dev/null # # uptime 5:04pm up 1 day(s), 2:56, 2 users, load average: 0.81, 0.81, 0.81 # # isainfo -v 64-bit sparcv9 applications crc32c cbcond pause mont mpmul sha512 sha256 sha1 md5 camellia kasumi des aes ima hpc vis3 fmaf asi_blk_init vis2 vis popc 32-bit sparc applications crc32c cbcond pause mont mpmul sha512 sha256 sha1 md5 camellia kasumi des aes ima hpc vis3 fmaf asi_blk_init vis2 vis popc v8plus div32 mul32 # # exit Script done, file is /dev/null After the script .. | tee .. command, sunperf user should be able to see the root user's stdin and stdout contents in her/his own terminal until the script session exits in root user's terminal. Since this kind of sharing is based on capturing and redirecting the contents to the target terminal, the users on the receiving end won't be able to see whatever is being edited on initiators' terminal [using editors such as vi]. Also it is not possible to share the session with any connected user on the system unless the initiator has the necessary permissions and privileges. The script utility records everything printed in a terminal session, while the tee utility replicates the contents of the screen capture on to the standard output of the target terimal. The tee utility does not buffer the output - so, the screen capture from the initiators' terminal appears almost right away in the target terminal. Though I never tested, this technique may work on all *NIX and Linux flavors with little or no changes. Also there might be other ways to accomplish this. [Thanks to Sujeet for sharing this tip] Microsoft Windows Most of the Windows users may rely on VNC services to share a desktop session. Another way to share the desktop session is to use the Remote Desktop Connection (RDC) client. Here are the steps. Connect to the target Windows system using Remote Desktop Connection client Launch Windows Task Manager Navigate to the "Users" tab Find the user session that you want to connect to and have full control over as the other user who is currently holding that session Select the user name in Windows Task Manager, right click and choose the option "Remote Control" A window pops up on the other user's session with the message "<USER is requesting to control your session remotely. Do you accept the request?" Once the other user says "Yes", you will be granted access to that session. Since then both users should be able to see the same screen and even control the session from their respective workstations.

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