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POBizarre behaviour when using Apache Commons lib in Android
 

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  1. POBizarre behaviour when using Apache Commons lib in Android
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    <p>I'm using commons-lang3-3.0.1.jar, in order to utilise the <code>StrSubstitutor</code> class. Check this out...</p> <p>The following code is called in from my SyncAdapter, it crashes constructing the StrSubstitutor:</p> <pre><code>public static String makeGetPlansQueryString(Bundle params) { Map&lt;String, String&gt; valuesMap = new HashMap&lt;String, String&gt;(); valuesMap.put(REQUEST_PARAM_APIUSERNAME, API_USERNAME); valuesMap.put(REQUEST_PARAM_APIPASSWORD, API_PASSWORD); //... etc. etc. String xmlTemplate = VendApplication.getContext().getString(R.string.XMLREQUEST_GET_PLANS); StrSubstitutor subst = new StrSubstitutor(valuesMap); // &lt;-- Crashes in here. return subst.replace(xmlTemplate); } </code></pre> <p>Error output:</p> <pre><code> 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): FATAL EXCEPTION: SyncAdapterThread-1 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): java.lang.ExceptionInInitializerError 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at com.conducthq.android.vend.webapi.WebAPIRequestHelper.makeGetPlansQueryString(WebAPIRequestHelper.java:68) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at com.conducthq.android.vend.webapi.WebAPIClient.createHTTPRequest(WebAPIClient.java:121) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at com.conducthq.android.vend.webapi.WebAPIClient.processRequest(WebAPIClient.java:55) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at com.conducthq.android.vend.webapi.SyncAdapter.onPerformSync(SyncAdapter.java:39) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at android.content.AbstractThreadedSyncAdapter$SyncThread.run(AbstractThreadedSyncAdapter.java:163) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): Caused by: java.lang.ExceptionInInitializerError 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at org.apache.commons.lang3.text.StrMatcher.stringMatcher(StrMatcher.java:206) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at org.apache.commons.lang3.text.StrSubstitutor.&lt;clinit&gt;(StrSubstitutor.java:112) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): ... 5 more 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): Caused by: java.lang.NullPointerException 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): at org.apache.commons.lang3.StringUtils.&lt;clinit&gt;(StringUtils.java:717) 11-02 14:36:08.439: ERROR/AndroidRuntime(9244): ... 7 more </code></pre> <p>If I add this <strong>one line</strong> to my HomeActivity (launched on app start), the above code works perfectly:</p> <pre><code>StrSubstitutor sub = new StrSubstitutor(new HashMap&lt;String, String&gt;()); </code></pre> <p>Weird right? How does this line affect different code running on a different thread at a different point in time? Any Android gurus out there that can shed some light on this? Is there some weird Android JAR loading bug I don't know about? @_@</p> <p>I'm using Android 2.1 SDK on a LG-P350. I've reproduced this behaviour with the super simple example code from the Apache Commons API doc on StrSubstitutor: <a href="http://commons.apache.org/lang/api-3.0.1/org/apache/commons/lang3/text/StrSubstitutor.html" rel="nofollow">http://commons.apache.org/lang/api-3.0.1/org/apache/commons/lang3/text/StrSubstitutor.html</a></p>
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