Exception in thread "Thread-12" java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:3332)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)
at java.lang.StringBuilder.append(StringBuilder.java:136)
at com.cfnet.ipreprocess.IProcessThread.dataprocess(IProcessThread.java:620)
at com.cfnet.ipreprocess.IProcessThread.run(IProcessThread.java:737)
at java.lang.Thread.run(Thread.java:748)
使用：stringBuilder问题