Check if sender is not null

Check if this is same job by name, not by constructor

com/gamingmesh/jobs/PlayerManager.java

@@ -245,14 +245,14 @@ public class PlayerManager {
 
 	return jPlayer;
     }
-    
+
     /**
      * Get the player job info for specific player
      * @param player - the player who's job you're getting
      * @return the player job info of the player
      */
     public JobsPlayer getJobsPlayerOffline(Entry<String, PlayerInfo> info) {
-	
+
 	if (info == null)
 	    return null;
 
@@ -282,7 +282,7 @@ public class PlayerManager {
 
 	return jPlayer;
     }
-    
+
     /**
      * Causes player to join their job
      * @param jPlayer
@@ -317,21 +317,22 @@ public class PlayerManager {
      * @param jPlayer
      * @param job
      */
-    public void leaveJob(JobsPlayer jPlayer, Job job) {
+    public boolean leaveJob(JobsPlayer jPlayer, Job job) {
 //	synchronized (jPlayer.saveLock) {
 	if (!jPlayer.isInJob(job))
-	    return;
-	Jobs.getJobsDAO().recordToArchive(jPlayer, job);
-	// let the user leave the job
-	if (!jPlayer.leaveJob(job))
-	    return;
+	    return false;
 
 	// JobsJoin event
 	JobsLeaveEvent jobsleaveevent = new JobsLeaveEvent(jPlayer, job);
 	Bukkit.getServer().getPluginManager().callEvent(jobsleaveevent);
 	// If event is canceled, dont do anything
 	if (jobsleaveevent.isCancelled())
-	    return;
+	    return false;
+
+	Jobs.getJobsDAO().recordToArchive(jPlayer, job);
+	// let the user leave the job
+	if (!jPlayer.leaveJob(job))
+	    return false;
 
 	Jobs.getJobsDAO().quitJob(jPlayer, job);
 	PerformCommands.PerformCommandsOnLeave(jPlayer, job);
@@ -340,6 +341,7 @@ public class PlayerManager {
 	Jobs.getSignUtil().SignUpdate(job.getName());
 	Jobs.getSignUtil().SignUpdate("gtoplist");
 	job.updateTotalPlayers();
+	return true;
 //	}
     }
 
@@ -638,7 +640,7 @@ public class PlayerManager {
 	    return data;
 
 	ItemStack iih = Jobs.getNms().getItemInMainHand(player);
-	
+
 	if (iih == null || prog == null)
 	    return data;
 

com/gamingmesh/jobs/commands/list/leave.java

@@ -11,7 +11,6 @@ import com.gamingmesh.jobs.container.Job;
 import com.gamingmesh.jobs.container.JobsPlayer;
 import com.gamingmesh.jobs.stuff.ChatColor;
 
-
 public class leave implements Cmd {
 
     @Override
@@ -35,10 +34,11 @@ public class leave implements Cmd {
 	    return true;
 	}
 
-	Jobs.getPlayerManager().leaveJob(jPlayer, job);
-	String message = Jobs.getLanguage().getMessage("command.leave.success");
-	message = message.replace("%jobname%", job.getChatColor() + job.getName() + ChatColor.WHITE);
-	sender.sendMessage(message);
+	if (Jobs.getPlayerManager().leaveJob(jPlayer, job)) {
+	    sender.sendMessage(Jobs.getLanguage().getMessage("command.leave.success", "%jobname%", job.getChatColor() + job.getName() + ChatColor.WHITE));
+	} else
+	    sender.sendMessage(ChatColor.RED + Jobs.getLanguage().getMessage("general.error.job"));
 	return true;
+
     }
 }

com/gamingmesh/jobs/container/Job.java

@@ -121,7 +121,11 @@ public class Job {
     public void setPointBoost(double Point) {
 	this.PointBoost = Point;
     }
-
+    
+    public boolean same(Job job) {
+	return this.getName().equalsIgnoreCase(job.getName());
+    }
+    
     public double getPointBoost() {
 	return this.PointBoost;
     }

com/gamingmesh/jobs/container/JobsPlayer.java

@@ -293,7 +293,7 @@ public class JobsPlayer {
      */
     public JobProgression getJobProgression(Job job) {
 	for (JobProgression prog : progression) {
-	    if (prog.getJob().equals(job))
+	    if (prog.getJob().same(job))
 		return prog;
 	}
 	return null;
@@ -456,7 +456,7 @@ public class JobsPlayer {
 //	synchronized (saveLock) {
 	if (!isInJob(newjob)) {
 	    for (JobProgression prog : progression) {
-		if (!prog.getJob().equals(oldjob))
+		if (!prog.getJob().same(oldjob))
 		    continue;
 
 		prog.setJob(newjob);
@@ -490,7 +490,7 @@ public class JobsPlayer {
      */
     public boolean isInJob(Job job) {
 	for (JobProgression prog : progression) {
-	    if (prog.getJob().equals(job))
+	    if (prog.getJob().same(job))
 		return true;
 	}
 	return false;

com/gamingmesh/jobs/stuff/ActionBar.java

@@ -122,6 +122,9 @@ public class ActionBar {
 	    if (msg == null || nmsChatSerializer == null)
 		return;
 
+	    if (receivingPacket == null)
+		return;
+
 	    if (cleanVersion < 1800 || !(receivingPacket instanceof Player)) {
 		receivingPacket.sendMessage(ChatColor.translateAlternateColorCodes('&', msg));
 		return;