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Installing The Android Plugin For Eclipse


Posted by Artem Russakovskii on October 15th, 2009 in Android, Java, Programming

Updated: October 16th, 2009

image Today is my first day looking at Android development. My first encounter with the Android plugin for Eclipse has not been very smooth, to say the least. I am not sure if it's Android's or Eclipse's fault but I just wasted 2 hours on errors during the plugin installation and would like to pass on the time savings to you.

The plugin install page provides initial instructions and the location of the plugin to give Eclipse (https://dl-ssl.google.com/android/eclipse/). This is very standard stuff and I've installed many plugins exactly the same way. However, here's when problems started.

Problem #1: Error while loading manipulator

Eclipse just shows a cryptic Install failed box. Here are the highlights:

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[Solr] How To Fix java.io.IOException: directory FOO exists and is a directory, but cannot be listed: list() returned null


Posted by Artem Russakovskii on September 21st, 2009 in Linux, Programming, Solr

Updated: July 30th, 2021

The Problem

I am throwing up a quick post about a relatively cryptic error that Solr started throwing the other day here at Plaxo. After happily running for a few days, I suddenly started getting pages about failed Solr indexing.

Upon closer examination, I saw the following repeatedly in the log file:

catalina.2009-09-18.log:SEVERE: java.io.IOException: directory 'DATADIR/index'
exists and is a directory, but cannot be listed: list() returned null

I tried to see if sending an OPTIMIZE command would help but the server returned the same response.

Digging Deeper

The reason was these errors was quite simple – Solr was running …

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