Re: class file has wrong file version 51.0, should be 49.0
Looks like you have class files compiled with Java 1.7 but you still launch your common-web project using Java 1.5 which then does not understand classes compiled for Java 1.7. -- J. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
Re: class file has wrong file version 51.0, should be 49.0
Thanks Jens! Yes, it did as you said. I just cannot understand why because I have changed the jdk to 1.7 both in windows -> preference and project build path. what I am missing? On Wednesday, June 17, 2015 at 8:43:59 PM UTC+8, Jens wrote: > > Looks like you have class files compiled with Java 1.7 but you still > launch your common-web project using Java 1.5 which then does not > understand classes compiled for Java 1.7. > > -- J. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
Re: class file has wrong file version 51.0, should be 49.0
> what I am missing? > Maven should also use Java 1.7 for compilation, not just the IDE. I would guess Maven uses the JAVA_HOME environment variable which might still point to Java 5. -- J. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
Re: class file has wrong file version 51.0, should be 49.0
I didn't use Maven. On Thursday, June 18, 2015 at 9:07:22 PM UTC+8, Jens wrote: > > > what I am missing? >> > > Maven should also use Java 1.7 for compilation, not just the IDE. I would > guess Maven uses the JAVA_HOME environment variable which might still point > to Java 5. > > -- J. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
Re: class file has wrong file version 51.0, should be 49.0
On Wednesday, June 17, 2015 at 2:35:34 PM UTC+2, frank ho wrote: > > my environment is : > > windows 7, 32 bit, two jdk, one is 1.5, another is 1.7, google gwt, jetty, > ant, two eclipse, one is kepler, another is luna. > > > for kepler, I set its jdk is 1.5, and use ant to compile and jar, this > works, and eclipse can open the gwt window when debugging. > > then i use luna, check out project(gwt project) from cvs, there is error > said the jdk is 1.5 when compiling with ant, therefore I changed the jdk to > 1.7 since this project requires this version, eventually compile is ok with > ant. However, when I debug it in eclipse, it opens a gwt window said > unable to compile to jsp, and the error in console is : > > > 10:20:48.193 [btpool0-8] ERROR org.apache.jasper.compiler.Compiler - Javac > exception > > Compile failed; see the compiler error output for details. > > at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:933) > at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:757) > at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:382) > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472) > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451) > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439) > > . > 10:20:48.194 [btpool0-8] ERROR org.apache.jasper.compiler.Compiler - Env: > Compile: > > > javaFileName=/C:/Users/FRANKH~1/AppData/Local/Temp/Jetty_localhost_8001_www__Login__-wcglsc/jsp//org/apache/jsp\login_jsp.java > This looks like Eclipse WTP, not GWT-related. Looks like Jetty is spawn in a 1.5 JVM rather than 1.7. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
