os x overview how to fix java jar not launching no check console for errors

Os X Overview Fix Java Jar Not Launching No Check Console For Errors Mac OS X May

Another example is backupd, which is pretty obviously a Time Machine process.

Your Mac is constantly logging thingswhat time your backup started, say, or whether a program youre using has outdated components.

The events that most of these messages are about wont have any effect on you at all, so they can be safely ignored.

However, if youre having an issue that you cant figure out, Console is invaluable in knowing whats causing the hold-up.

What the program does is present your log files all wrapped up in a nice interface, with easy ways to search the entire database.

Some of the messages read like the worlds worst technical manual, but you dont really have to know much to be able to decipher them.

Lets look at it together, shall we So after youve got Console open, note whether you can see a sidebar of logs showing on the left side of the window.

If you cant, click on the Show Log List button to rectify that.

Once you do so, youll see a list of logs, quite unsurprisingly.

For the purposes of this tip, were only going to be using the All Messages query.

Be aware, though, that some programs logs are organized separately.

If youre troubleshooting one of those, you may need to look through the rest of your log list to see if your problematic applications name appears (like 1Password and Cocktail do in my screenshot above).

So if you click on All Messages, you can look at most everything your machines been reporting, sorted by time.

The information is organized into three columnsdate and time, the sender of the information (which can be a program, for example), and the message itself.

Some of the messages are fairly obviousstarting standard backup or shutdown: reboot by Melissa.

But what do you do with the ones you dont understand The best, easiest thing to do is to find something related to the problem by browsing through the list or by using the search bar in the upper-right of Consoles window, and then you can Google-search the error message exactly as it appears.

Sometimes, youll even run across Apple Knowledge Base articles with fixes right in them.

Neat You can do a couple of things to help figure things out more easily, too.

If your problem is reproducible, go to View Insert Marker (or View Clear Display, if you prefer), walk through the steps to cause the trouble, and go look at whats been logged after that point so that your friend Google can help.

Here Ive put a marker in my log so that I know exactly where to start looking for new error messages.

Also, if you open Console Preferences, you can ask the program to notify you when a log youre looking at is updated, either by bouncing the icon in the Dock or by bringing the application window to the front.

This is another way that you can attempt to reproduce an issue that youre having and see what relevant information you can dredge out of the logs.

Os X Overview Fix Java Jar Not Launching No Check Console For Errors Mac OS X May

In deciphering messages, its also good to know the names of a few behind-the-scenes programs Mac OS X may report on.

For example, mds and mdworker are Spotlight processes, so if a lot of errors are occurring with those mentioned, you might want to reindex your drive and see if that fixes things.

Os X Overview How To Fix Java Jar Not Launching No Check Console For Errors