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POAttempted to fix androids "ill-advised or mistaken usage of a core class" went bad
 

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  1. POAttempted to fix androids "ill-advised or mistaken usage of a core class" went bad
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    <p>After trying to fix this on my own from what I have seen around the net I cannot still figure out what this means:</p> <pre><code>[2013-08-15 23:58:27 - StudioTab] Dx trouble processing "javax/xml/namespace/QName.class": Ill-advised or mistaken usage of a core class (java.* or javax.*) when not building a core library. This is often due to inadvertently including a core library file in your application's project, when using an IDE (such as Eclipse). If you are sure you're not intentionally defining a core class, then this is the most likely explanation of what's going on. However, you might actually be trying to define a class in a core namespace, the source of which you may have taken, for example, from a non-Android virtual machine project. This will most assuredly not work. At a minimum, it jeopardizes the compatibility of your app with future versions of the platform. It is also often of questionable legality. If you really intend to build a core library -- which is only appropriate as part of creating a full virtual machine distribution, as opposed to compiling an application -- then use the "--core-library" option to suppress this error message. If you go ahead and use "--core-library" but are in fact building an application, then be forewarned that your application will still fail to build or run, at some point. Please be prepared for angry customers who find, for example, that your application ceases to function once they upgrade their operating system. You will be to blame for this problem. If you are legitimately using some code that happens to be in a core package, then the easiest safe alternative you have is to repackage that code. That is, move the classes in question into your own package namespace. This means that they will never be in conflict with core system classes. JarJar is a tool that may help you in this endeavor. If you find that you cannot do this, then that is an indication that the path you are on will ultimately lead to pain, suffering, grief, and lamentation. [2013-08-15 23:58:27 - StudioTab] Dx 1 error; aborting [2013-08-15 23:58:27 - StudioTab] Conversion to Dalvik format failed with error 1 </code></pre> <p>I have no idea what this is really telling me or where to start look. Am I recursively including a library somehow? My build path under order and export are as thus:</p> <pre><code>Google APIs [Android 3.0] Android Dependencies annotations.jar Android Private Libraries A ton of jars for various functionality i need: CSV writing, talking to the google calendar somehow...etc...etc. They are jars I found on the net, not ripped from another project but found to solve problems i.e. how to access google calendar from the device and read/write to it etc... is this where my problem lies? I can provide a complete list of the jars I am using here. android-support-v4.jar </code></pre> <p>I added that one as an external jar myself. I forget what it needs it for but if I remove it it cannot use somethings weird stuff like FragmentActivity and that.</p> <p>So where do I even begin to look so I can pick this project back up again...get it compiling and running on an emulator.</p> <p>LIBS folder is as thus: Volume in drive D is LargeWorkDisk Volume Serial Number is 206C-D951</p> <pre><code> Directory of D:\Programming\StudioTab\libs 08/16/2013 12:39 AM &lt;DIR&gt; . 08/16/2013 12:39 AM &lt;DIR&gt; .. 08/15/2013 09:45 PM 1,700,072 android-1.5_r4-sources.jar 08/15/2013 09:45 PM 2,136,034 android-1.5_r4.jar 08/15/2013 09:45 PM 55,191 commons-codec-1.3-sources.jar 08/15/2013 09:45 PM 46,725 commons-codec-1.3.jar 08/15/2013 09:45 PM 74,976 commons-logging-1.1.1-sources.jar 08/15/2013 09:45 PM 60,686 commons-logging-1.1.1.jar 08/15/2013 09:45 PM 53,983 google-api-client-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 44,653 google-api-client-1.5.0-beta.jar 08/15/2013 09:45 PM 13,356 google-api-client-extensions-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 15,276 google-api-client-extensions-1.5.0-beta.jar 08/15/2013 09:45 PM 3,459 google-api-client-extensions-android2-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 4,556 google-api-client-extensions-android2-1.5.0-beta.jar 08/15/2013 09:45 PM 309,295 google-collections-1.0-sources.jar 08/15/2013 09:45 PM 639,592 google-collections-1.0.jar 08/15/2013 09:45 PM 188,771 google-http-client-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 196,915 google-http-client-1.5.0-beta.jar 08/15/2013 09:45 PM 6,433 google-http-client-extensions-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 7,807 google-http-client-extensions-1.5.0-beta.jar 08/15/2013 09:45 PM 3,021 google-http-client-extensions-android2-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 3,854 google-http-client-extensions-android2-1.5.0-beta.jar 08/15/2013 09:45 PM 6,638 google-http-client-extensions-android3-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 10,418 google-http-client-extensions-android3-1.5.0-beta.jar 08/15/2013 09:45 PM 35,765 google-oauth-client-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 34,394 google-oauth-client-1.5.0-beta.jar 08/15/2013 09:45 PM 38,030 google-oauth-client-extensions-1.5.0-beta-sources.jar 08/15/2013 09:45 PM 48,289 google-oauth-client-extensions-1.5.0-beta.jar 08/15/2013 09:45 PM 140,057 gson-1.6-sources.jar 08/15/2013 09:45 PM 164,984 gson-1.6.jar 08/15/2013 09:45 PM 640,031 guava-r09-sources.jar 08/15/2013 09:45 PM 1,143,921 guava-r09.jar 08/15/2013 09:45 PM 390,195 httpclient-4.0.3-sources.jar 08/15/2013 09:45 PM 292,893 httpclient-4.0.3.jar 08/15/2013 09:45 PM 291,844 httpcore-4.0.1-sources.jar 08/15/2013 09:45 PM 172,888 httpcore-4.0.1.jar 08/15/2013 09:45 PM 200,880 jackson-core-asl-1.6.7-sources.jar 08/15/2013 09:45 PM 201,086 jackson-core-asl-1.6.7.jar 08/15/2013 09:45 PM 283,945 jdo2-api-2.3-eb-sources.jar 08/15/2013 09:45 PM 192,820 jdo2-api-2.3-eb.jar 08/15/2013 09:45 PM 476,722 joda-time-1.6-sources.jar 08/15/2013 09:45 PM 534,827 joda-time-1.6.jar 08/15/2013 09:45 PM 39,665 jsontoken-1.0-sources.jar 08/15/2013 09:45 PM 37,877 jsontoken-1.0.jar 08/15/2013 09:45 PM 33,015 jsr305-1.3.9.jar 08/15/2013 09:45 PM 147,086 junit-4.8.2-sources.jar 08/15/2013 09:45 PM 237,344 junit-4.8.2.jar 08/16/2013 12:39 AM 0 libsdir.txt 08/15/2013 09:45 PM 11,358 LICENSE 08/15/2013 09:45 PM 14,146 opencsv-2.3.jar 08/15/2013 09:45 PM 12,986 opengl-api-gl1.1-android-2.1_r1-sources.jar 08/15/2013 09:45 PM 18,492 opengl-api-gl1.1-android-2.1_r1.jar 08/15/2013 09:45 PM 125,968 ormlite-android-4.24-javadoc.jar 08/15/2013 09:45 PM 22,285 ormlite-android-4.24-sources.jar 08/15/2013 09:45 PM 32,707 ormlite-android-4.24.jar 08/15/2013 09:45 PM 216,486 ormlite-core-4.24.jar 08/15/2013 09:45 PM 140,718 protobuf-java-2.2.0-sources.jar 08/15/2013 09:45 PM 320,306 protobuf-java-2.2.0.jar 08/15/2013 09:45 PM 501 readme.html 08/15/2013 09:45 PM 158,114 servlet-api-2.5-sources.jar 08/15/2013 09:45 PM 105,112 servlet-api-2.5.jar 08/15/2013 09:45 PM 25,014 transaction-api-1.1-sources.jar 08/15/2013 09:45 PM 15,071 transaction-api-1.1.jar 08/15/2013 09:45 PM 124,724 xmlParserAPIs-2.6.2.jar 08/15/2013 09:45 PM 128,334 xpp3-1.1.4c-sources.jar 08/15/2013 09:45 PM 120,069 xpp3-1.1.4c.jar 64 File(s) 12,952,660 bytes 2 Dir(s) 2,057,125,945,344 bytes free </code></pre>
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    1. COIt sounds like you're confused about your own application - things like "I forget what it needs it for" and "somethings weird" aren't encouraging. The error message is *very* clear about the problematic class (`javax.xml.namespace.QName`) so you should find out which jar file is including that.
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    2. COit has been a while, mostly what I am saying is why did it work before and not now...I haven't changed the api level im building against, It must be that I created this on eclipse with the adt installed and the sdk installed seperately and not all as one package.
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    3. COWell presumably you changed something, but we don't know what you've done. Anyway, I've explained what you should do to work out what's wrong.
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