StringIndexOutOfBoundsException on 1.3.10+

[xinyuan-liu]

When running AllLines.java in samples with BTrace 1.3.10+ the program will raise a StringIndexOutOfBoundsException. This problem does not exist in 1.3.9.

Debug Infomation:

btrace DEBUG: initial script is ./AllLines.class
btrace INFO: Redirecting output to ./a.txt
btrace DEBUG: loading BTrace class
btrace DEBUG: java.lang.StringIndexOutOfBoundsException: String index out of range: 0
java.lang.StringIndexOutOfBoundsException: String index out of range: 0
at java.lang.String.charAt(String.java:658)
at com.sun.btrace.runtime.OnMethod.setMethod(OnMethod.java:146)
at com.sun.btrace.runtime.BTraceProbePersisted.readOnMethods(BTraceProbePersisted.java:182)
at com.sun.btrace.runtime.BTraceProbePersisted.read_1(BTraceProbePersisted.java:147)
at com.sun.btrace.runtime.BTraceProbePersisted.read(BTraceProbePersisted.java:130)
at com.sun.btrace.runtime.BTraceProbeFactory.createProbe(BTraceProbeFactory.java:91)
at com.sun.btrace.agent.Client.load(Client.java:423)
at com.sun.btrace.agent.Client.loadClass(Client.java:280)
at com.sun.btrace.agent.FileClient.init(FileClient.java:62)
at com.sun.btrace.agent.FileClient.(FileClient.java:71)
at com.sun.btrace.agent.Main.loadBTraceScript(Main.java:614)
at com.sun.btrace.agent.Main.startScripts(Main.java:244)
at com.sun.btrace.agent.Main.main(Main.java:112)
at com.sun.btrace.agent.Main.premain(Main.java:89)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:382)
at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:397)