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So I am getting a NullPointerException on the same line of code no matter how I change it. Even if I put a blank line there is still the same error on same line. Has anyone else had this happen? I'm pretty confused as to what could cause this.
edit: Should have mentioned I wasn't planning on posting my hundreds of lines of code as the error is always on line 317. Just trying to figure out if anyone else has had a similar problem and what the cause was. Also yes I have checked that I am debugging and running correct code.
It sounds to me like there is an issue with your environment. I would step back and make sure you are running or debugging the code you think you are.
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There are two methods of file deletion
1. file.delete()
2. file.deleteOnExit()
The file is not deleted and returns false and have tried both the cases. Now I need to find the actual reason why the deletion has not happened
How to find out the reason? Is any log needs to be enabled or trace out the issue?
There are more than two methods of deleting a file!
You can use the utility class java.nio.file.Files:
Files.delete(path);
will throw an IOException that will tell you the reason it failed.
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Intellj takes time to open (about 5 to 6 mins). I have deleted pulgins removing files from my laptop , but it didn't work
Almost all softwares including IDEs have logs. For intellij, too. Look at following link. Get the logs. If possible enable verbose\debug log. See the time stamps if present. That should tell what task is taking too long.
https://intellij-support.jetbrains.com/hc/en-us/articles/207241085-Locating-IDE-log-files
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dbeaver was working fine in my system.But,suddenly it is giving an error "See the log file /home/system/.dbeaver/.metadata/.log". Please,can someone help me to resolve this issue?
It might be the case that jdk is changed. Try moving the jdk if so from /Library/Java/JavaVirtualMachines to another location. This happened with me when I installed jdk11 and moving it, resolved my issue.
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I'm coding a bukkit plugin. It's player counter per world and scoreboard. Really simple, but I have some problems with the code.
Take a look at it.
http://pastebin.com/PCEj0Vkj
I don't see the error, but compilator says that there are errors in:
http://prntscr.com/4vaegq
and on last line on "}"
I would love to show you error log and more screenshots, but I need 10+ reps.
All of your code, starting at line 25 and ending at line 45 needs to go in either an initialisation block or inside a method body.
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I need to create a template for android as follows:
https://dl.dropboxusercontent.com/u/29764789/app_example.png
Can anyone help me? Or guide me? A greeting and thank you very much
This looks like a problem where code is not necessarily the solution, maybe you should use photoshop to glue 2 images together in this way. It would be a lot easier, and obviously much less buggy. If you really want to do this in-app, you are going to have to at least get some rough code and make a rough attempt so that we have something to work with.