Very strange. We have this setting in build.xml and it is "-target 1.3"! We should be compatible with 1.3+ JVMs.
Nick, are you using the standard build.xml? Which JDK? Regards, Yegor AS> even if compiling in 1.5, there is a setting to use backward compatible AS> classfile format. We should just set in the ant buildfile for safety, so that AS> we create correct builds irrespective of the java version on the release AS> manager's machine. (this is assuming all source does compile in the older AS> jdk, of course!) AS> Separately, if you are interested in older versions of java, you should AS> occasionally compile the source and report errors in your favourite jdk. It AS> is very easy to check in non backward compatible stuff by mistake, depending AS> on the jdk in one's machine... AS> Regards AS> - AS> Avik AS> On Friday 30 Mar 2007 5:38:40 am Karr, David wrote: >> I assume you're only half serious. Dropping 1.4.2 at this point would >> be a big mistake. In any case, I tried manually building the jars from >> source with JDK 1.4.2, and it works fine. >> >> > -----Original Message----- >> > From: Andrew C. Oliver [mailto:[EMAIL PROTECTED] >> > Sent: Thursday, March 29, 2007 12:47 PM >> > To: POI Users List >> > Subject: Re: Getting "class file has wrong version" error on >> > poi-scratchpad-3.0-rc2 jar >> > >> > yeah unless we've dropped 1.42 then it should be compiled on 1.42. >> > So the last build is invalid or we need a vote to drop 1.42 and req 5+ >> > >> > -andy >> > >> > David Fisher wrote: >> > > That class file was compiled with JDK 5.0 >> > > >> > > See http://blogs.sun.com/sundararajan/entry/java_class_ic_errors >> > > >> > > On Mar 29, 2007, at 2:25 PM, Karr, David wrote: >> > >> Obviously, I was wrong to refer to this as the scratchpad >> > >> > jar. It's >> > >> > >> the main poi jar. >> > >> >> > >>> -----Original Message----- >> > >>> From: Karr, David >> > >>> Sent: Thursday, March 29, 2007 12:06 PM >> > >>> To: POI Users List >> > >>> Subject: Getting "class file has wrong version" error on >> > >>> poi-scratchpad-3.0-rc2 jar >> > >>> >> > >>> I'm trying to use 3.0rc2, and I'm trying to use the >> > >> > scratchpad jar >> > >> > >>> for the first time. I'm using JDK 1.4.2. >> > >>> When I try to compile my code with Ant, I get the following: >> > >>> >> > >>> bad class file: >> > >>> ...\lib\poi-3.0-rc2-20070329.jar(org/apache/poi/hssf/model/Wor >> > >> >> > >> kbook.clas >> > >> >> > >>> s) >> > >>> class file has wrong version 49.0, should be 48.0 Please >> > >> > remove or >> > >> > >>> make sure it appears in the correct subdirectory of the classpath. >> > >>> import org.apache.poi.hssf.model.Workbook; >> > >> > -------------------------------------------------------------------- >> > >> > >>> - To unsubscribe, e-mail: [EMAIL PROTECTED] >> > >>> Mailing List: http://jakarta.apache.org/site/mail2.html#poi >> > >>> The Apache Jakarta Poi Project: http://jakarta.apache.org/poi/ >> > >> > --------------------------------------------------------------------- >> > >> > >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> > >> Mailing List: http://jakarta.apache.org/site/mail2.html#poi >> > >> The Apache Jakarta Poi Project: http://jakarta.apache.org/poi/ >> > >> > --------------------------------------------------------------------- >> > >> > > To unsubscribe, e-mail: [EMAIL PROTECTED] >> > > Mailing List: http://jakarta.apache.org/site/mail2.html#poi >> > > The Apache Jakarta Poi Project: http://jakarta.apache.org/poi/ >> > >> > -- >> > From Windows/Exchange to Linux/Meldware >> > Buni Meldware Communication Suite >> > Email, Calendaring, ease of configuration/administration >> > http://buni.org >> > >> > >> > --------------------------------------------------------------------- >> > To unsubscribe, e-mail: [EMAIL PROTECTED] >> > Mailing List: http://jakarta.apache.org/site/mail2.html#poi >> > The Apache Jakarta Poi Project: http://jakarta.apache.org/poi/ >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> Mailing List: http://jakarta.apache.org/site/mail2.html#poi >> The Apache Jakarta Poi Project: http://jakarta.apache.org/poi/ AS> --------------------------------------------------------------------- AS> To unsubscribe, e-mail: [EMAIL PROTECTED] AS> Mailing List: http://jakarta.apache.org/site/mail2.html#poi AS> The Apache Jakarta Poi Project: http://jakarta.apache.org/poi/ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] Mailing List: http://jakarta.apache.org/site/mail2.html#poi The Apache Jakarta Poi Project: http://jakarta.apache.org/poi/
