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Java Forum / General / October 2007Can't use JDK 1.4 jar file (javax.crypto) in JDK 1.3
I'm running WSAD IDE and 1.3 of JDK. I need to use the javax.crypto package which I have obtained the jar file for (from JDK 1.4.2) and plugged in to my web app in 1.3. Everything compiles OK but when the server is started I get a security error. I've done some googling and it would appear that this is a known problem. Rather than bothering about the why this is a problem, I need to know if there is a workaround? How can I get the javax.crypto package working? > I'm running WSAD IDE and 1.3 of JDK. I need to use the javax.crypto > package which I have obtained the jar file for (from JDK 1.4.2) and [quoted text clipped - 5 lines] > > How can I get the javax.crypto package working? By finding the correct file for 1.3. Google is your find. It took me about 30 seconds to find http://www.webservicessummit.com/Excerpts/ApacheTools2.htm On Oct 4, 11:32 pm, "Mike Schilling" <mscottschill...@hotmail.com> wrote: > > I'm running WSAD IDE and 1.3 of JDK. I need to use the javax.crypto > > package which I have obtained the jar file for (from JDK 1.4.2) and [quoted text clipped - 8 lines] > By finding the correct file for 1.3. Google is your find. It took me about > 30 seconds to findhttp://www.webservicessummit.com/Excerpts/ApacheTools2.htm :) Thanks Mike. I've been googling for about an hour or so now reading up about this issue. I'll take a look at that page and see if I can get what I need. Incidentally I also just read about the certificate issue (related to the security exception) and it explained that if the system date is changed to a date before may 2006 that it would work. And it does. Not ideal though, so as I say, I'll have a read on your link and try to obtain the right jar for JDK 1.3. Thanks again. On Oct 4, 11:32 pm, "Mike Schilling" <mscottschill...@hotmail.com> wrote: > > I'm running WSAD IDE and 1.3 of JDK. I need to use the javax.crypto > > package which I have obtained the jar file for (from JDK 1.4.2) and [quoted text clipped - 8 lines] > By finding the correct file for 1.3. Google is your find. It took me about > 30 seconds to findhttp://www.webservicessummit.com/Excerpts/ApacheTools2.htm Is it me being dumb or are the files described in your link not available from bouncy castle site? >>> I'm running WSAD IDE and 1.3 of JDK. I need to use the javax.crypto >>> package which I have obtained the jar file for (from JDK 1.4.2) and [quoted text clipped - 3 lines] >>> about the why this is a problem, I need to know if there is a >>> workaround? Any particular reason why you're tied to an obsolete version of Java? Even Java 1.4 is already in its End-Of-Life phase; 1.3 has been dead for nearly a year, after a long EoL of its own. Generally classes from a newer version of Java will not work with earlier versions, due to changes in the classfile format between versions.  SignatureLew > >>> I'm running WSAD IDE and 1.3 of JDK. I need to use the javax.crypto > >>> package which I have obtained the jar file for (from JDK 1.4.2) and [quoted text clipped - 10 lines] > Generally classes from a newer version of Java will not work with earlier > versions, due to changes in the classfile format between versions. Just the IDE that I have (WSAD 5). Highest JDK available with it is 1.3. Lew wrote: >> Any particular reason why you're tied to an obsolete version of Java? Even >> Java 1.4 is already in its End-Of-Life phase; 1.3 has been dead for nearly a >> year, after a long EoL of its own. >> >> Generally classes from a newer version of Java will not work with earlier >> versions, due to changes in the classfile format between versions. > Just the IDE that I have (WSAD 5). Highest JDK available with it is > 1.3. I don't know about WSAD, but Eclipse, on which WSAD is based, lets you upgrade to a current JDK. You're three entire versions out of date - 1.3 is truly and hopelessly obsolete. You should upgrade to Java 6 unless you have a compelling reason not to. SignatureLew >Just the IDE that I have (WSAD 5). Highest JDK available with it is >1.3. IDEs have come quite a long way. check out Eclipse, Netbeans and IntelliJ especially. http://mindprod.com/jgloss/ide.html SignatureRoedy Green Canadian Mind Products The Java Glossary http://mindprod.com > On Oct 4, 11:32 pm, "Mike Schilling" <mscottschill...@hotmail.com> > wrote: [quoted text clipped - 14 lines] > Is it me being dumb or are the files described in your link not > available from bouncy castle site? They may not be; as others have pointed out, 1.3 is very obsolete, and they may have been taken down some time ago. And I agree with Lew and Roedy. There are lots of good IDEs around for current versions of Java, and your life will probably be much easier if you start using one of them. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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