Fatal error: exception Failure("Java model file is required")

[DoctorQ]

I install infer by binary file,then run example Hello.java in OSX 10.10.2

58deMacBook-Pro:examples wuxian$ infer -- javac Hello.java
Fatal error: exception Failure("Java model file is required")
[ERROR] Failure during frontend, original command was

[u'inferJ', u'-g', u'-a', 'infer', u'javac', 'Hello.java']


Traceback (most recent call last):
  File "/Users/wuxian/Documents/sourcecode/self/infer/infer/bin/inferJ", line 19, in <module>
    stats = analysis.start()
  File "/Users/wuxian/Documents/sourcecode/self/infer/infer/bin/inferlib.py", line 632, in start
    if self.capture() == os.EX_OK:
  File "/Users/wuxian/Documents/sourcecode/self/infer/infer/bin/inferlib.py", line 400, in capture
    return self.run_infer_frontend()
  File "/Users/wuxian/Documents/sourcecode/self/infer/infer/bin/inferlib.py", line 391, in run_infer_frontend
    self.args.analyzer
  File "/Users/wuxian/Documents/sourcecode/self/infer/infer/bin/inferlib.py", line 318, in run_command
    raise e
subprocess.CalledProcessError: Command '[u'/Users/wuxian/Documents/sourcecode/self/infer/infer/bin/InferJava', u'-results_dir', '/Users/wuxian/Documents/sourcecode/self/infer/examples/infer-out', u'-verbose_out', '/var/folders/3j/s3hfvmy572vcn3h02c_rxcbm0000gn/T/javac_lqc4YC.out', u'-no-static_final']' returned non-zero exit status 2

Thanks.