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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.util;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.io.PrintWriter;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.io.StringWriter;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.security.PrivilegedExceptionAction;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.HashMap;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Map;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.conf.Configuration;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.TableName;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Append;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.Get;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Increment;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Put;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Result;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Table;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.security.HBaseKerberosUtils;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.security.User;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.test.LoadTestDataGenerator;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.security.UserGroupInformation;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.util.StringUtils;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
<span class="sourceLineNo">047</span> * A MultiThreadUpdater that helps to work with ACL<a name="line.47"></a>
<span class="sourceLineNo">048</span> */<a name="line.48"></a>
<span class="sourceLineNo">049</span>public class MultiThreadedUpdaterWithACL extends MultiThreadedUpdater {<a name="line.49"></a>
<span class="sourceLineNo">050</span> private static final Logger LOG = LoggerFactory.getLogger(MultiThreadedUpdaterWithACL.class);<a name="line.50"></a>
<span class="sourceLineNo">051</span> private final static String COMMA= ",";<a name="line.51"></a>
<span class="sourceLineNo">052</span> private User userOwner;<a name="line.52"></a>
<span class="sourceLineNo">053</span> /**<a name="line.53"></a>
<span class="sourceLineNo">054</span> * Maps user with Table instance. Because the table instance has to be created<a name="line.54"></a>
<span class="sourceLineNo">055</span> * per user inorder to work in that user's context<a name="line.55"></a>
<span class="sourceLineNo">056</span> */<a name="line.56"></a>
<span class="sourceLineNo">057</span> private Map&lt;String, Table&gt; userVsTable = new HashMap&lt;&gt;();<a name="line.57"></a>
<span class="sourceLineNo">058</span> private Map&lt;String, User&gt; users = new HashMap&lt;&gt;();<a name="line.58"></a>
<span class="sourceLineNo">059</span> private String[] userNames;<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> public MultiThreadedUpdaterWithACL(LoadTestDataGenerator dataGen, Configuration conf,<a name="line.61"></a>
<span class="sourceLineNo">062</span> TableName tableName, double updatePercent, User userOwner, String userNames)<a name="line.62"></a>
<span class="sourceLineNo">063</span> throws IOException {<a name="line.63"></a>
<span class="sourceLineNo">064</span> super(dataGen, conf, tableName, updatePercent);<a name="line.64"></a>
<span class="sourceLineNo">065</span> this.userOwner = userOwner;<a name="line.65"></a>
<span class="sourceLineNo">066</span> this.userNames = userNames.split(COMMA);<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span> @Override<a name="line.69"></a>
<span class="sourceLineNo">070</span> protected void addUpdaterThreads(int numThreads) throws IOException {<a name="line.70"></a>
<span class="sourceLineNo">071</span> for (int i = 0; i &lt; numThreads; ++i) {<a name="line.71"></a>
<span class="sourceLineNo">072</span> HBaseUpdaterThread updater = new HBaseUpdaterThreadWithACL(i);<a name="line.72"></a>
<span class="sourceLineNo">073</span> updaters.add(updater);<a name="line.73"></a>
<span class="sourceLineNo">074</span> }<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> public class HBaseUpdaterThreadWithACL extends HBaseUpdaterThread {<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span> private Table table;<a name="line.79"></a>
<span class="sourceLineNo">080</span> private MutateAccessAction mutateAction = new MutateAccessAction();<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> public HBaseUpdaterThreadWithACL(int updaterId) throws IOException {<a name="line.82"></a>
<span class="sourceLineNo">083</span> super(updaterId);<a name="line.83"></a>
<span class="sourceLineNo">084</span> }<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span> @Override<a name="line.86"></a>
<span class="sourceLineNo">087</span> protected Table createTable() throws IOException {<a name="line.87"></a>
<span class="sourceLineNo">088</span> return null;<a name="line.88"></a>
<span class="sourceLineNo">089</span> }<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span> @Override<a name="line.91"></a>
<span class="sourceLineNo">092</span> protected void closeHTable() {<a name="line.92"></a>
<span class="sourceLineNo">093</span> try {<a name="line.93"></a>
<span class="sourceLineNo">094</span> if (table != null) {<a name="line.94"></a>
<span class="sourceLineNo">095</span> table.close();<a name="line.95"></a>
<span class="sourceLineNo">096</span> }<a name="line.96"></a>
<span class="sourceLineNo">097</span> for (Table table : userVsTable.values()) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> try {<a name="line.98"></a>
<span class="sourceLineNo">099</span> table.close();<a name="line.99"></a>
<span class="sourceLineNo">100</span> } catch (Exception e) {<a name="line.100"></a>
<span class="sourceLineNo">101</span> LOG.error("Error while closing the table " + table.getName(), e);<a name="line.101"></a>
<span class="sourceLineNo">102</span> }<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
<span class="sourceLineNo">104</span> } catch (Exception e) {<a name="line.104"></a>
<span class="sourceLineNo">105</span> LOG.error("Error while closing the HTable "+table.getName(), e);<a name="line.105"></a>
<span class="sourceLineNo">106</span> }<a name="line.106"></a>
<span class="sourceLineNo">107</span> }<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span> @Override<a name="line.109"></a>
<span class="sourceLineNo">110</span> protected Result getRow(final Get get, final long rowKeyBase, final byte[] cf) {<a name="line.110"></a>
<span class="sourceLineNo">111</span> PrivilegedExceptionAction&lt;Object&gt; action = new PrivilegedExceptionAction&lt;Object&gt;() {<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span> @Override<a name="line.113"></a>
<span class="sourceLineNo">114</span> public Object run() throws Exception {<a name="line.114"></a>
<span class="sourceLineNo">115</span> Result res = null;<a name="line.115"></a>
<span class="sourceLineNo">116</span> Table localTable = null;<a name="line.116"></a>
<span class="sourceLineNo">117</span> try {<a name="line.117"></a>
<span class="sourceLineNo">118</span> int mod = ((int) rowKeyBase % userNames.length);<a name="line.118"></a>
<span class="sourceLineNo">119</span> if (userVsTable.get(userNames[mod]) == null) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> localTable = connection.getTable(tableName);<a name="line.120"></a>
<span class="sourceLineNo">121</span> userVsTable.put(userNames[mod], localTable);<a name="line.121"></a>
<span class="sourceLineNo">122</span> res = localTable.get(get);<a name="line.122"></a>
<span class="sourceLineNo">123</span> } else {<a name="line.123"></a>
<span class="sourceLineNo">124</span> localTable = userVsTable.get(userNames[mod]);<a name="line.124"></a>
<span class="sourceLineNo">125</span> res = localTable.get(get);<a name="line.125"></a>
<span class="sourceLineNo">126</span> }<a name="line.126"></a>
<span class="sourceLineNo">127</span> } catch (IOException ie) {<a name="line.127"></a>
<span class="sourceLineNo">128</span> LOG.warn("Failed to get the row for key = [" + Bytes.toString(get.getRow()) +<a name="line.128"></a>
<span class="sourceLineNo">129</span> "], column family = [" + Bytes.toString(cf) + "]", ie);<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span> return res;<a name="line.131"></a>
<span class="sourceLineNo">132</span> }<a name="line.132"></a>
<span class="sourceLineNo">133</span> };<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span> if (userNames != null &amp;&amp; userNames.length &gt; 0) {<a name="line.135"></a>
<span class="sourceLineNo">136</span> int mod = ((int) rowKeyBase % userNames.length);<a name="line.136"></a>
<span class="sourceLineNo">137</span> User user;<a name="line.137"></a>
<span class="sourceLineNo">138</span> UserGroupInformation realUserUgi;<a name="line.138"></a>
<span class="sourceLineNo">139</span> try {<a name="line.139"></a>
<span class="sourceLineNo">140</span> if (!users.containsKey(userNames[mod])) {<a name="line.140"></a>
<span class="sourceLineNo">141</span> if (User.isHBaseSecurityEnabled(conf)) {<a name="line.141"></a>
<span class="sourceLineNo">142</span> realUserUgi = HBaseKerberosUtils.loginAndReturnUGI(conf, userNames[mod]);<a name="line.142"></a>
<span class="sourceLineNo">143</span> } else {<a name="line.143"></a>
<span class="sourceLineNo">144</span> realUserUgi = UserGroupInformation.createRemoteUser(userNames[mod]);<a name="line.144"></a>
<span class="sourceLineNo">145</span> }<a name="line.145"></a>
<span class="sourceLineNo">146</span> user = User.create(realUserUgi);<a name="line.146"></a>
<span class="sourceLineNo">147</span> users.put(userNames[mod], user);<a name="line.147"></a>
<span class="sourceLineNo">148</span> } else {<a name="line.148"></a>
<span class="sourceLineNo">149</span> user = users.get(userNames[mod]);<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span> Result result = (Result) user.runAs(action);<a name="line.151"></a>
<span class="sourceLineNo">152</span> return result;<a name="line.152"></a>
<span class="sourceLineNo">153</span> } catch (Exception ie) {<a name="line.153"></a>
<span class="sourceLineNo">154</span> LOG.warn("Failed to get the row for key = [" + Bytes.toString(get.getRow()) +<a name="line.154"></a>
<span class="sourceLineNo">155</span> "], column family = [" + Bytes.toString(cf) + "]", ie);<a name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span> }<a name="line.157"></a>
<span class="sourceLineNo">158</span> // This means that no users were present<a name="line.158"></a>
<span class="sourceLineNo">159</span> return null;<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span> @Override<a name="line.162"></a>
<span class="sourceLineNo">163</span> public void mutate(final Table table, Mutation m, final long keyBase, final byte[] row,<a name="line.163"></a>
<span class="sourceLineNo">164</span> final byte[] cf, final byte[] q, final byte[] v) {<a name="line.164"></a>
<span class="sourceLineNo">165</span> final long start = System.currentTimeMillis();<a name="line.165"></a>
<span class="sourceLineNo">166</span> try {<a name="line.166"></a>
<span class="sourceLineNo">167</span> m = dataGenerator.beforeMutate(keyBase, m);<a name="line.167"></a>
<span class="sourceLineNo">168</span> mutateAction.setMutation(m);<a name="line.168"></a>
<span class="sourceLineNo">169</span> mutateAction.setCF(cf);<a name="line.169"></a>
<span class="sourceLineNo">170</span> mutateAction.setRow(row);<a name="line.170"></a>
<span class="sourceLineNo">171</span> mutateAction.setQualifier(q);<a name="line.171"></a>
<span class="sourceLineNo">172</span> mutateAction.setValue(v);<a name="line.172"></a>
<span class="sourceLineNo">173</span> mutateAction.setStartTime(start);<a name="line.173"></a>
<span class="sourceLineNo">174</span> mutateAction.setKeyBase(keyBase);<a name="line.174"></a>
<span class="sourceLineNo">175</span> userOwner.runAs(mutateAction);<a name="line.175"></a>
<span class="sourceLineNo">176</span> } catch (IOException e) {<a name="line.176"></a>
<span class="sourceLineNo">177</span> recordFailure(m, keyBase, start, e);<a name="line.177"></a>
<span class="sourceLineNo">178</span> } catch (InterruptedException e) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> failedKeySet.add(keyBase);<a name="line.179"></a>
<span class="sourceLineNo">180</span> }<a name="line.180"></a>
<span class="sourceLineNo">181</span> }<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
<span class="sourceLineNo">183</span> class MutateAccessAction implements PrivilegedExceptionAction&lt;Object&gt; {<a name="line.183"></a>
<span class="sourceLineNo">184</span> private Table table;<a name="line.184"></a>
<span class="sourceLineNo">185</span> private long start;<a name="line.185"></a>
<span class="sourceLineNo">186</span> private Mutation m;<a name="line.186"></a>
<span class="sourceLineNo">187</span> private long keyBase;<a name="line.187"></a>
<span class="sourceLineNo">188</span> private byte[] row;<a name="line.188"></a>
<span class="sourceLineNo">189</span> private byte[] cf;<a name="line.189"></a>
<span class="sourceLineNo">190</span> private byte[] q;<a name="line.190"></a>
<span class="sourceLineNo">191</span> private byte[] v;<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span> public MutateAccessAction() {<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> public void setStartTime(final long start) {<a name="line.197"></a>
<span class="sourceLineNo">198</span> this.start = start;<a name="line.198"></a>
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span> public void setMutation(final Mutation m) {<a name="line.201"></a>
<span class="sourceLineNo">202</span> this.m = m;<a name="line.202"></a>
<span class="sourceLineNo">203</span> }<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span> public void setRow(final byte[] row) {<a name="line.205"></a>
<span class="sourceLineNo">206</span> this.row = row;<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span> public void setCF(final byte[] cf) {<a name="line.209"></a>
<span class="sourceLineNo">210</span> this.cf = cf;<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span> public void setQualifier(final byte[] q) {<a name="line.213"></a>
<span class="sourceLineNo">214</span> this.q = q;<a name="line.214"></a>
<span class="sourceLineNo">215</span> }<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span> public void setValue(final byte[] v) {<a name="line.217"></a>
<span class="sourceLineNo">218</span> this.v = v;<a name="line.218"></a>
<span class="sourceLineNo">219</span> }<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span> public void setKeyBase(final long keyBase) {<a name="line.221"></a>
<span class="sourceLineNo">222</span> this.keyBase = keyBase;<a name="line.222"></a>
<span class="sourceLineNo">223</span> }<a name="line.223"></a>
<span class="sourceLineNo">224</span><a name="line.224"></a>
<span class="sourceLineNo">225</span> @Override<a name="line.225"></a>
<span class="sourceLineNo">226</span> public Object run() throws Exception {<a name="line.226"></a>
<span class="sourceLineNo">227</span> try {<a name="line.227"></a>
<span class="sourceLineNo">228</span> if (table == null) {<a name="line.228"></a>
<span class="sourceLineNo">229</span> table = connection.getTable(tableName);<a name="line.229"></a>
<span class="sourceLineNo">230</span> }<a name="line.230"></a>
<span class="sourceLineNo">231</span> if (m instanceof Increment) {<a name="line.231"></a>
<span class="sourceLineNo">232</span> table.increment((Increment) m);<a name="line.232"></a>
<span class="sourceLineNo">233</span> } else if (m instanceof Append) {<a name="line.233"></a>
<span class="sourceLineNo">234</span> table.append((Append) m);<a name="line.234"></a>
<span class="sourceLineNo">235</span> } else if (m instanceof Put) {<a name="line.235"></a>
<span class="sourceLineNo">236</span> table.checkAndMutate(row, cf).qualifier(q).ifEquals(v).thenPut((Put) m);<a name="line.236"></a>
<span class="sourceLineNo">237</span> } else if (m instanceof Delete) {<a name="line.237"></a>
<span class="sourceLineNo">238</span> table.checkAndMutate(row, cf).qualifier(q).ifEquals(v).thenDelete((Delete) m);<a name="line.238"></a>
<span class="sourceLineNo">239</span> } else {<a name="line.239"></a>
<span class="sourceLineNo">240</span> throw new IllegalArgumentException("unsupported mutation "<a name="line.240"></a>
<span class="sourceLineNo">241</span> + m.getClass().getSimpleName());<a name="line.241"></a>
<span class="sourceLineNo">242</span> }<a name="line.242"></a>
<span class="sourceLineNo">243</span> totalOpTimeMs.addAndGet(System.currentTimeMillis() - start);<a name="line.243"></a>
<span class="sourceLineNo">244</span> } catch (IOException e) {<a name="line.244"></a>
<span class="sourceLineNo">245</span> recordFailure(m, keyBase, start, e);<a name="line.245"></a>
<span class="sourceLineNo">246</span> }<a name="line.246"></a>
<span class="sourceLineNo">247</span> return null;<a name="line.247"></a>
<span class="sourceLineNo">248</span> }<a name="line.248"></a>
<span class="sourceLineNo">249</span> }<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span> private void recordFailure(final Mutation m, final long keyBase,<a name="line.251"></a>
<span class="sourceLineNo">252</span> final long start, IOException e) {<a name="line.252"></a>
<span class="sourceLineNo">253</span> failedKeySet.add(keyBase);<a name="line.253"></a>
<span class="sourceLineNo">254</span> String exceptionInfo;<a name="line.254"></a>
<span class="sourceLineNo">255</span> if (e instanceof RetriesExhaustedWithDetailsException) {<a name="line.255"></a>
<span class="sourceLineNo">256</span> RetriesExhaustedWithDetailsException aggEx = (RetriesExhaustedWithDetailsException) e;<a name="line.256"></a>
<span class="sourceLineNo">257</span> exceptionInfo = aggEx.getExhaustiveDescription();<a name="line.257"></a>
<span class="sourceLineNo">258</span> } else {<a name="line.258"></a>
<span class="sourceLineNo">259</span> StringWriter stackWriter = new StringWriter();<a name="line.259"></a>
<span class="sourceLineNo">260</span> PrintWriter pw = new PrintWriter(stackWriter);<a name="line.260"></a>
<span class="sourceLineNo">261</span> e.printStackTrace(pw);<a name="line.261"></a>
<span class="sourceLineNo">262</span> pw.flush();<a name="line.262"></a>
<span class="sourceLineNo">263</span> exceptionInfo = StringUtils.stringifyException(e);<a name="line.263"></a>
<span class="sourceLineNo">264</span> }<a name="line.264"></a>
<span class="sourceLineNo">265</span> LOG.error("Failed to mutate: " + keyBase + " after " + (System.currentTimeMillis() - start)<a name="line.265"></a>
<span class="sourceLineNo">266</span> + "ms; region information: " + getRegionDebugInfoSafe(table, m.getRow()) + "; errors: "<a name="line.266"></a>
<span class="sourceLineNo">267</span> + exceptionInfo);<a name="line.267"></a>
<span class="sourceLineNo">268</span> }<a name="line.268"></a>
<span class="sourceLineNo">269</span> }<a name="line.269"></a>
<span class="sourceLineNo">270</span>}<a name="line.270"></a>
</pre>
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