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Running JAVA in Cygwin through bash script

Adding a folder of jar files to my pathJRE in Kubuntu doesn't allow me to run .jar fileExecute bash script using CygWinWhen I execute a .run file as <user> it works fine. If I sudo run it, it cannot detect JavaIf I set java bin PATH Dockerfile Jar Command runs but tomcat doesn'tRunning script in cygwin enviromentHave bash script running every min in Cygwin

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0

I've been encountering a problem with cygwin where I cannot run a jar file with an error that the file cannot be found.

If it were easier i would "translate" the java source in bash, but unfortunately, due to the functionality implemented, there are some quite significant obstacles to achieve this, so I'd have to use the jar file.

Now, I've done a fair amount of research on my part to figure out how to do this, however, I couldn't succeed, and it is mandatory that i use cygwin.

Here's what I'm trying to essentially do:

lockfile="$specialfolder/$passedargument.lock

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar -joption cygpath -w $lockfile`

i also tried with double back-ticks, as follows:

pathtooutfile="${some_other_vars}/${that}_${work}.out"

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar` -joption `cygpath -w $lockfile`

i also tried using the $JAVA_HOME env var but that did not work as well. It is important to mention that the variables being called in lockfile var are defined as follows:

 homedir= "/cygdrive/driveletter/folder/folder"

 specialfolder= "$homedir/foler/$passedargument"

 passedargument= $1 ###argument passed with execution of bash script

 lockfile= "$specialfolder/$passedargument"

The error i keep getting is this: Error: Unable to access jarfile
I have modified usage rights to 777 and that didn't work either. It might also be important to mention that -joption is either -aquire or -release corresponding to the lockfile since one of the things the jar does is manage multiple script executions through a lock file.
I'm somewhat stuck so, any suggestions will be greatly appreciated. I think that this might be more of a cygwin issue.

bash java cygwin

share|improve this question

edited Mar 10 '16 at 9:19

Nikolai Uzunov

asked Mar 10 '16 at 8:58

Nikolai UzunovNikolai Uzunov

1066 bronze badges

bumped to the homepage by Community♦ 5 hours ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What does cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar return if you run it on its own. (Please add the output to your question, not as a comment).
  
  – EightBitTony
  Mar 10 '16 at 9:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  always Error: Unable to access jarfile
  
  – Nikolai Uzunov
  Mar 10 '16 at 9:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  So the command, cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar on its own, with nothing else, gives you that error? Can you copy and paste you typing that command in and the output? In the question. You are using c or d (or something) in place of driveletter, rather than the word driveletter?
  
  – EightBitTony
  Mar 10 '16 at 10:16
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  it gives me the path to the file in unix format, and yes i am using an actual drive letter like "d" for example
  
  – Nikolai Uzunov
  Mar 10 '16 at 10:51
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Then edit your question with that detail, because right now, that's not what your question is asking.
  
  – EightBitTony
  Mar 10 '16 at 14:02
  

  
  
  
  

 | 
show 4 more comments

0

I've been encountering a problem with cygwin where I cannot run a jar file with an error that the file cannot be found.

If it were easier i would "translate" the java source in bash, but unfortunately, due to the functionality implemented, there are some quite significant obstacles to achieve this, so I'd have to use the jar file.

Now, I've done a fair amount of research on my part to figure out how to do this, however, I couldn't succeed, and it is mandatory that i use cygwin.

Here's what I'm trying to essentially do:

lockfile="$specialfolder/$passedargument.lock

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar -joption cygpath -w $lockfile`

i also tried with double back-ticks, as follows:

pathtooutfile="${some_other_vars}/${that}_${work}.out"

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar` -joption `cygpath -w $lockfile`

i also tried using the $JAVA_HOME env var but that did not work as well. It is important to mention that the variables being called in lockfile var are defined as follows:

 homedir= "/cygdrive/driveletter/folder/folder"

 specialfolder= "$homedir/foler/$passedargument"

 passedargument= $1 ###argument passed with execution of bash script

 lockfile= "$specialfolder/$passedargument"

The error i keep getting is this: Error: Unable to access jarfile
I have modified usage rights to 777 and that didn't work either. It might also be important to mention that -joption is either -aquire or -release corresponding to the lockfile since one of the things the jar does is manage multiple script executions through a lock file.
I'm somewhat stuck so, any suggestions will be greatly appreciated. I think that this might be more of a cygwin issue.

bash java cygwin

share|improve this question

edited Mar 10 '16 at 9:19

Nikolai Uzunov

asked Mar 10 '16 at 8:58

Nikolai UzunovNikolai Uzunov

1066 bronze badges

bumped to the homepage by Community♦ 5 hours ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What does cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar return if you run it on its own. (Please add the output to your question, not as a comment).
  
  – EightBitTony
  Mar 10 '16 at 9:22
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  always Error: Unable to access jarfile
  
  – Nikolai Uzunov
  Mar 10 '16 at 9:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  So the command, cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar on its own, with nothing else, gives you that error? Can you copy and paste you typing that command in and the output? In the question. You are using c or d (or something) in place of driveletter, rather than the word driveletter?
  
  – EightBitTony
  Mar 10 '16 at 10:16
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  it gives me the path to the file in unix format, and yes i am using an actual drive letter like "d" for example
  
  – Nikolai Uzunov
  Mar 10 '16 at 10:51
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Then edit your question with that detail, because right now, that's not what your question is asking.
  
  – EightBitTony
  Mar 10 '16 at 14:02
  

  
  
  
  

 | 
show 4 more comments

I've been encountering a problem with cygwin where I cannot run a jar file with an error that the file cannot be found.

If it were easier i would "translate" the java source in bash, but unfortunately, due to the functionality implemented, there are some quite significant obstacles to achieve this, so I'd have to use the jar file.

Now, I've done a fair amount of research on my part to figure out how to do this, however, I couldn't succeed, and it is mandatory that i use cygwin.

Here's what I'm trying to essentially do:

lockfile="$specialfolder/$passedargument.lock

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar -joption cygpath -w $lockfile`

i also tried with double back-ticks, as follows:

pathtooutfile="${some_other_vars}/${that}_${work}.out"

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar` -joption `cygpath -w $lockfile`

i also tried using the $JAVA_HOME env var but that did not work as well. It is important to mention that the variables being called in lockfile var are defined as follows:

 homedir= "/cygdrive/driveletter/folder/folder"

 specialfolder= "$homedir/foler/$passedargument"

 passedargument= $1 ###argument passed with execution of bash script

 lockfile= "$specialfolder/$passedargument"

The error i keep getting is this: Error: Unable to access jarfile
I have modified usage rights to 777 and that didn't work either. It might also be important to mention that -joption is either -aquire or -release corresponding to the lockfile since one of the things the jar does is manage multiple script executions through a lock file.
I'm somewhat stuck so, any suggestions will be greatly appreciated. I think that this might be more of a cygwin issue.

bash java cygwin

share|improve this question

edited Mar 10 '16 at 9:19

Nikolai Uzunov

asked Mar 10 '16 at 8:58

Nikolai UzunovNikolai Uzunov

1066 bronze badges

lockfile="$specialfolder/$passedargument.lock

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar -joption cygpath -w $lockfile`

pathtooutfile="${some_other_vars}/${that}_${work}.out"

java -jar `cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar` -joption `cygpath -w $lockfile`

 homedir= "/cygdrive/driveletter/folder/folder"

 specialfolder= "$homedir/foler/$passedargument"

 passedargument= $1 ###argument passed with execution of bash script

 lockfile= "$specialfolder/$passedargument"

share|improve this question

edited Mar 10 '16 at 9:19

Nikolai Uzunov

asked Mar 10 '16 at 8:58

Nikolai UzunovNikolai Uzunov

1066 bronze badges

share|improve this question

edited Mar 10 '16 at 9:19

Nikolai Uzunov

asked Mar 10 '16 at 8:58

Nikolai UzunovNikolai Uzunov

1066 bronze badges

asked Mar 10 '16 at 8:58

Nikolai UzunovNikolai Uzunov

1066 bronze badges

asked Mar 10 '16 at 8:58

Nikolai UzunovNikolai Uzunov

1066 bronze badges

2 Answers
2

active

oldest

votes

0

Have you tried cygpath -w -a .....

The -a returns absolute paths.

e.g.

$ cygpath -w ./screenshot.jpg

screenshot.jpg



$ cygpath -w -a ./screenshot.jpg

C:cygwin64hometonyscreenshot.jpg

share|improve this answer

answered Mar 10 '16 at 9:25

EightBitTonyEightBitTony

16.9k33 gold badges4646 silver badges5555 bronze badges

add a comment | 

0

If your expression

`cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar`

has embedded blanks, you should put double-quotes around it so that the result is passed to Java as a single token. It can help to understand the expressions and results if you turn on the shell trace, e.g., set -x.

Further reading:

• cygpath — Convert Unix and Windows format paths, or output system path information


• Making Cygwin and Windows cooperate

share|improve this answer

edited Mar 10 '16 at 9:32

answered Mar 10 '16 at 9:23

Thomas DickeyThomas Dickey

55.4k55 gold badges112112 silver badges190190 bronze badges

add a comment | 

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0

Have you tried cygpath -w -a .....

The -a returns absolute paths.

e.g.

$ cygpath -w ./screenshot.jpg

screenshot.jpg



$ cygpath -w -a ./screenshot.jpg

C:cygwin64hometonyscreenshot.jpg

share|improve this answer

answered Mar 10 '16 at 9:25

EightBitTonyEightBitTony

16.9k33 gold badges4646 silver badges5555 bronze badges

add a comment | 

0

Have you tried cygpath -w -a .....

The -a returns absolute paths.

e.g.

$ cygpath -w ./screenshot.jpg

screenshot.jpg



$ cygpath -w -a ./screenshot.jpg

C:cygwin64hometonyscreenshot.jpg

share|improve this answer

answered Mar 10 '16 at 9:25

EightBitTonyEightBitTony

16.9k33 gold badges4646 silver badges5555 bronze badges

add a comment | 

Have you tried cygpath -w -a .....

The -a returns absolute paths.

e.g.

$ cygpath -w ./screenshot.jpg

screenshot.jpg



$ cygpath -w -a ./screenshot.jpg

C:cygwin64hometonyscreenshot.jpg

share|improve this answer

answered Mar 10 '16 at 9:25

EightBitTonyEightBitTony

16.9k33 gold badges4646 silver badges5555 bronze badges

$ cygpath -w ./screenshot.jpg

screenshot.jpg



$ cygpath -w -a ./screenshot.jpg

C:cygwin64hometonyscreenshot.jpg

share|improve this answer

answered Mar 10 '16 at 9:25

EightBitTonyEightBitTony

16.9k33 gold badges4646 silver badges5555 bronze badges

answered Mar 10 '16 at 9:25

EightBitTonyEightBitTony

16.9k33 gold badges4646 silver badges5555 bronze badges

answered Mar 10 '16 at 9:25

EightBitTonyEightBitTony

16.9k33 gold badges4646 silver badges5555 bronze badges

0

If your expression

`cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar`

has embedded blanks, you should put double-quotes around it so that the result is passed to Java as a single token. It can help to understand the expressions and results if you turn on the shell trace, e.g., set -x.

Further reading:

• cygpath — Convert Unix and Windows format paths, or output system path information


• Making Cygwin and Windows cooperate

share|improve this answer

edited Mar 10 '16 at 9:32

answered Mar 10 '16 at 9:23

Thomas DickeyThomas Dickey

55.4k55 gold badges112112 silver badges190190 bronze badges

add a comment | 

0

If your expression

`cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar`

has embedded blanks, you should put double-quotes around it so that the result is passed to Java as a single token. It can help to understand the expressions and results if you turn on the shell trace, e.g., set -x.

Further reading:

• cygpath — Convert Unix and Windows format paths, or output system path information


• Making Cygwin and Windows cooperate

share|improve this answer

edited Mar 10 '16 at 9:32

answered Mar 10 '16 at 9:23

Thomas DickeyThomas Dickey

55.4k55 gold badges112112 silver badges190190 bronze badges

add a comment | 

If your expression

`cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar`

has embedded blanks, you should put double-quotes around it so that the result is passed to Java as a single token. It can help to understand the expressions and results if you turn on the shell trace, e.g., set -x.

Further reading:

• cygpath — Convert Unix and Windows format paths, or output system path information


• Making Cygwin and Windows cooperate

share|improve this answer

edited Mar 10 '16 at 9:32

answered Mar 10 '16 at 9:23

Thomas DickeyThomas Dickey

55.4k55 gold badges112112 silver badges190190 bronze badges

`cygpath -w ./cygdrive/driveletter/folder/folder/javafile.jar`

share|improve this answer

edited Mar 10 '16 at 9:32

answered Mar 10 '16 at 9:23

Thomas DickeyThomas Dickey

55.4k55 gold badges112112 silver badges190190 bronze badges

answered Mar 10 '16 at 9:23

Thomas DickeyThomas Dickey

55.4k55 gold badges112112 silver badges190190 bronze badges

answered Mar 10 '16 at 9:23

Thomas DickeyThomas Dickey

55.4k55 gold badges112112 silver badges190190 bronze badges