Java unable to open main class and jar file

Java unable to open main class and jar file

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Java unable to open main class and jar file
Tag : java , By : Jesenko Mehmedbasic
Date : November 26 2020, 03:01 PM

With these it helps Okey, it is working now. I don't know what was the reason, but after I did
mvn clean package 

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eclipse R.java Unable to open class file

Tag : java , By : ziqew
Date : March 29 2020, 07:55 AM
hop of those help? Not sure if this is the right way to do this, but this question is essentially a duplicate of this one, with a chock full of helpful suggestions.
Strange... thought I set that correctly a while ago... but here it is again

Java "Failed to load Main-Class manifest attribute" On a any .jar file, even those that I have succeed in open

Tag : java , By : socurious
Date : March 29 2020, 07:55 AM
To fix the issue you can do It seems that, for whatever reason, re-installing both JRE and JDK (in that order) has fixed the problem.
No idea of the reason.

Exception in thread "main" java.sql.SQLException: Unable to open file

Tag : java , By : Nicholas Hunter
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Documentation of DATA LOAD INFILE:
String filename = file.getAbsolutePath().replace("\\", "/");
System.out.println("File: \"" + filename + "\"");  // just for debugging

Unable to load main class when compiling and running a java file using C++

Tag : java , By : Imran
Date : March 29 2020, 07:55 AM
I hope this helps . I've been trying to compile and execute a java file from C++ but I am currently getting this error. The java file works fine when executed separately in java. , Solved!
system(javac -cp twitter4j-core-4.0.7.jar TwitterDataCrawler.java);
system(java -cp .;twitter4j-core-4.0.7.jar TwitterDataCrawler);

Error: Unable to open class file R.java

Tag : java , By : WuJanJai
Date : March 29 2020, 07:55 AM
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