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This exception has no message.
java.lang.NullPointerException: 	at com.android.repository.util.InstallerUtil.resolveCompleteArchiveUrl(InstallerUtil.java:194)	at com.android.repository.impl.installer.BasicInstaller.install(BasicInstaller.java:76)	at com.android.tools.idea.sdk.wizard.legacy.SmwOldApiDirectInstall$InstallTask.run(SmwOldApiDirectInstall.java:203)	at com.intellij.openapi.progress.impl.CoreProgressManager$TaskRunnable.run(CoreProgressManager.java:563)	at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:142)	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:446)	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:392)	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:127)	at com.intellij.openapi.progress.impl.ProgressManagerImpl$1.run(ProgressManagerImpl.java:126)	at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:366)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:744)	at org.jetbrains.ide.PooledThreadExecutor$1$1.run(PooledThreadExecutor.java:55)