Flume内存溢出错误

java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:)
        at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:)
        at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:)
        at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:)
        at java.lang.StringBuilder.append(StringBuilder.java:)
        at org.apache.flume.serialization.LineDeserializer.readLine(LineDeserializer.java:)
        at org.apache.flume.serialization.LineDeserializer.readEvent(LineDeserializer.java:)
        at org.apache.flume.serialization.LineDeserializer.readEvents(LineDeserializer.java:)
        at org.apache.flume.client.avro.ReliableSpoolingFileEventReader.readEvents(ReliableSpoolingFileEventReader.java:)
        at org.apache.flume.source.SpoolDirectorySource$SpoolDirectoryRunnable.run(SpoolDirectorySource.java:)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$(ScheduledThreadPoolExecutor.java:)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:)
        at java.lang.Thread.run(Thread.java:)

Exception in thread "SinkRunner-PollingRunner-DefaultSinkProcessor" java.lang.OutOfMemoryError: Java heap space
        at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:)
        at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:)
        at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:)
        at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:)
        at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:)
        at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:)
        at org.apache.hadoop.conf.Configuration.set(Configuration.java:)
        at org.apache.hadoop.conf.Configuration.setBoolean(Configuration.java:)
        at org.apache.flume.sink.hdfs.BucketWriter.open(BucketWriter.java:)
        at org.apache.flume.sink.hdfs.BucketWriter.append(BucketWriter.java:)
        at org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:)
        at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:)
        at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:)
        at java.lang.Thread.run(Thread.java:)