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| <h2 title="Class ForeignException" class="title">Class ForeignException</h2> |
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| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">java.io.IOException</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.errorhandling.ForeignException</li> |
| </ul> |
| </li> |
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| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.44">ForeignException</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">A ForeignException is an exception from another thread or process. |
| <p> |
| ForeignExceptions are sent to 'remote' peers to signal an abort in the face of failures. |
| When serialized for transmission we encode using Protobufs to ensure version compatibility. |
| <p> |
| Foreign exceptions contain a Throwable as its cause. This can be a "regular" exception |
| generated locally or a ProxyThrowable that is a representation of the original exception |
| created on original 'remote' source. These ProxyThrowables have their their stacks traces and |
| messages overridden to reflect the original 'remote' exception. The only way these |
| ProxyThrowables are generated are by this class's <a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#deserialize-byte:A-"><code>deserialize(byte[])</code></a> method.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.hadoop.hbase.errorhandling.ForeignException">Serialized Form</a></dd> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.ProxyThrowable.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignException.ProxyThrowable</a></span></code> |
| <div class="block">This is a Proxy Throwable that contains the information of the original remote exception</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#source">source</a></span></code> |
| <div class="block">Name of the throwable's source such as a host or thread name.</div> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#ForeignException-java.lang.String-java.lang.String-">ForeignException</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> msg)</code> |
| <div class="block">Create a new ForeignException that can be serialized.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#ForeignException-java.lang.String-java.lang.Throwable-">ForeignException</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> cause)</code> |
| <div class="block">Create a new ForeignException that can be serialized.</div> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignException</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#deserialize-byte:A-">deserialize</a></span>(byte[] bytes)</code> |
| <div class="block">Takes a series of bytes and tries to generate an ForeignException instance for it.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#getSource--">getSource</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#isRemote--">isRemote</a></span>()</code> |
| <div class="block">The cause of a ForeignException can be an exception that was generated on a local in process |
| thread, or a thread from a 'remote' separate process.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#serialize-java.lang.String-java.lang.Throwable-">serialize</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> t)</code> |
| <div class="block">Converts a ForeignException to an array of bytes.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang">StackTraceElement</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#toStackTrace-java.util.List-">toStackTrace</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage> traceList)</code> |
| <div class="block">Unwind a serialized array of <code>ErrorHandlingProtos.StackTraceElementMessage</code>s to a |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang"><code>StackTraceElement</code></a>s.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#toStackTraceElementMessages-java.lang.StackTraceElement:A-">toStackTraceElementMessages</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang">StackTraceElement</a>[] trace)</code> |
| <div class="block">Convert a stack trace to list of <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang"><code>StackTraceElement</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html#toString--">toString</a></span>()</code> </td> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <h3>Field Detail</h3> |
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| <h4>source</h4> |
| <pre>private final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.49">source</a></pre> |
| <div class="block">Name of the throwable's source such as a host or thread name. Must be non-null.</div> |
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| <h4>ForeignException</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.57">ForeignException</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> cause)</pre> |
| <div class="block">Create a new ForeignException that can be serialized. It is assumed that this came form a |
| local source.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>source</code> - </dd> |
| <dd><code>cause</code> - </dd> |
| </dl> |
| </li> |
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| <h4>ForeignException</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.70">ForeignException</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> msg)</pre> |
| <div class="block">Create a new ForeignException that can be serialized. It is assumed that this is locally |
| generated.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>source</code> - </dd> |
| <dd><code>msg</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.75">getSource</a>()</pre> |
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| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.88">isRemote</a>()</pre> |
| <div class="block">The cause of a ForeignException can be an exception that was generated on a local in process |
| thread, or a thread from a 'remote' separate process. |
| |
| If the cause is a ProxyThrowable, we know it came from deserialization which usually means |
| it came from not only another thread, but also from a remote thread.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if went through deserialization, false if locally generated</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toString--"> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.93">toString</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a></code></dd> |
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| <h4>toStackTraceElementMessages</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage> <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.103">toStackTraceElementMessages</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang">StackTraceElement</a>[] trace)</pre> |
| <div class="block">Convert a stack trace to list of <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang"><code>StackTraceElement</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>trace</code> - the stack trace to convert to protobuf message</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><tt>null</tt> if the passed stack is <tt>null</tt>.</dd> |
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| <h4>serialize</h4> |
| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.136">serialize</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> source, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> t)</pre> |
| <div class="block">Converts a ForeignException to an array of bytes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>source</code> - the name of the external exception source</dd> |
| <dd><code>t</code> - the "local" external exception (local)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>protobuf serialized version of ForeignException</dd> |
| </dl> |
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| <h4>deserialize</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/errorhandling/ForeignException.html" title="class in org.apache.hadoop.hbase.errorhandling">ForeignException</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.162">deserialize</a>(byte[] bytes) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Takes a series of bytes and tries to generate an ForeignException instance for it.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bytes</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the ForeignExcpetion instance</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>InvalidProtocolBufferException</code> - if there was deserialization problem this is thrown.</dd> |
| <dd><code>org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException</code></dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <h4>toStackTrace</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang">StackTraceElement</a>[] <a href="../../../../../src-html/org/apache/hadoop/hbase/errorhandling/ForeignException.html#line.180">toStackTrace</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos.StackTraceElementMessage> traceList)</pre> |
| <div class="block">Unwind a serialized array of <code>ErrorHandlingProtos.StackTraceElementMessage</code>s to a |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang"><code>StackTraceElement</code></a>s.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>traceList</code> - list that was serialized</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the deserialized list or <tt>null</tt> if it couldn't be unwound (e.g. wasn't set on |
| the sender).</dd> |
| </dl> |
| </li> |
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