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i added 1 java code and i have this error in compile.

Visius

Asked by Visius,

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Visius Newbie

Visius

Posted
Posted 

[echo] L2jFrozen Gameserver Revision: 948M
compile:

BUILD FAILED
C:\Users\DreamTeam\Desktop\Lineage II Nephelim Source\gameserver\build.xml:65: java.lang.UnsupportedClassVersionError: com/sun/tools/javac/Main : Unsupported major.minor version 51.0

Total time: 2 seconds

 

What does it means?

18 answers to this question

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Visius Newbie

Visius

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Well,since i got to this forum,in everything i post you make an ironic post. Im not a pro developer, i had many servers with 500+ online or so (who cares about population etc..) but i was hiring developer,and now i want to learn something,and you just speak ironic,was you borned with the knowledge of java? i guess no. To post this problem here that mean's i searched google and didn't understand nothing. So can you give me a actual solution of what can i do to fix this problem or stop raging me?

 

Thank you with respect,Visius.

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Zohan Newbie

Zohan

Posted
Posted

Check if tools.jar used during compilation complies with the JRE set. If you are on eclipse, verify the versions as:

Goto Window->Preferences

- Check Ant Runtime by selecting Runtime under Ant in the left pane. Check the Global Entries under classpath tab. You can see the version in folder path.

- On the left pane check installed JREs under Java. Check the version.

 

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Visius Newbie

Visius

Posted
  • Author
Posted

Check if tools.jar used during compilation complies with the JRE set. If you are on eclipse, verify the versions as:

Goto Window->Preferences

- Check Ant Runtime by selecting Runtime under Ant in the left pane. Check the Global Entries under classpath tab. You can see the version in folder path.

- On the left pane check installed JREs under Java. Check the version.

 

Well,never compiled again that source,i added a code perfectly and after i tried to compile GAMESERVER i had this error in DATAPACK i hadn't .
  • 0
ProfessionalGeodata Newbie

ProfessionalGeodata

Posted
Posted

Well,since i got to this forum,in everything i post you make an ironic post. Im not a pro developer, i had many servers with 500+ online or so (who cares about population etc..) but i was hiring developer,and now i want to learn something,and you just speak ironic,was you borned with the knowledge of java? i guess no. To post this problem here that mean's i searched google and didn't understand nothing. So can you give me a actual solution of what can i do to fix this problem or stop raging me?

 

Thank you with respect,Visius.

The point of this forum lately, isn't to fullify all the requests newbies do.

 

There's a search button, which finally works.

 

Java might seem difficult when you start playing with it, but it's not impossible. It's english language.

When you get errors, check what they say. In most cases you'll find the error by yourself. Without to have to waste your time, nor other member's time.

 

The problem is in the jre you use.

 

Idk which one is. You can find it.

 

Irony? It's sarcasm. More powerful. Everyone has it. Not everyone showing it.

When you've seen a lot of ''stupid'' questions*, you get bored of being serious.

 

 

* There are no stupid questions, just stupid answers.

 

 

So, the conclusion : CHeck your jre version

 

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xdem Proficient

xdem

Posted
Posted 

[echo] L2jFrozen Gameserver Revision: 948M
compile:

BUILD FAILED
C:\Users\DreamTeam\Desktop\Lineage II Nephelim Source\gameserver\build.xml:65: java.lang.UnsupportedClassVersionError: com/sun/tools/javac/Main : Unsupported major.minor version 51.0

Total time: 2 seconds

 

What does it means?

 

yeap, update your jre, make sure u have the latest jdk7

  • 0
Tryskell Rising Star

Tryskell

Posted
Posted

Well,since i got to this forum,in everything i post you make an ironic post. Im not a pro developer, i had many servers with 500+ online or so (who cares about population etc..) but i was hiring developer,and now i want to learn something,and you just speak ironic,was you borned with the knowledge of java? i guess no. To post this problem here that mean's i searched google and didn't understand nothing. So can you give me a actual solution of what can i do to fix this problem or stop raging me?

 

Thank you with respect,Visius.

I never said I was a Java pro (quote me and I give you 100€), and there are probably a lot of people who code faster and better than me.

 

That's another problem to not be able to use Google search, and read the answer with the most upvote (67 up), and then eventually seek others infos related to infos you found from this.

 

If you can't understand you're using the bad version of Java from the post I quoted (first post on top of the list after c/ping your error), or Eclipse is using a bad version somehow, well, I can't anything for you.

 

And I'm sarcastic when question is ridiculous. Make an interesting question and I will make an interesting answer. I doubt you will find sarcasms on any post I do, even if I must admit that's a trend due to MxC population.

 

Peace.

 

PS : note I have given you the answer, and I never insult ppl. Take that as a mean to improve your own behavior regarding questions you could have in future !

 

PS2 : you could say you saw that interesting post and you didn't understand the meaning, my answer would be different. If you lack putting infos, I understand you didn't search, and so I answer rude. And that is sad to say but it works often, ppl tends to post less stupid questions and to self-learn.

  • 0
Visius Newbie

Visius

Posted
  • Author
Posted

Get on point guys,who can actually help me solve this error?My english knowledge is limited so speaking with more easy words will help me too.

  • 0
xdem Proficient

xdem

Posted
Posted

Get on point guys,who can actually help me solve this error?My english knowledge is limited so speaking with more easy words will help me too.

 

Oracle will help you, just go at their downloads and update your files.

  • 0
Tryskell Rising Star

Tryskell

Posted
Posted

JDK includes JRE, so don't dl JRE. Only JDK is useful.

 

If you had already the correct JDK, then Eclipse is badly configured. Some Google stuff about it and you should be good.

 

If you aren't sure, uninstall ALL existing JRE/JDK, and reinstall only latest JDK. It will eventually fix collision between versions.

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