锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲色大成网站www永久网站,亚洲伊人成无码综合网,亚洲精品成人网久久久久久http://www.tkk7.com/SamZheng/zh-cnSun, 11 May 2025 15:43:29 GMTSun, 11 May 2025 15:43:29 GMT60InputStream/OutputStream.close may block if called on a sub processhttp://www.tkk7.com/SamZheng/archive/2012/01/07/368069.htmlSam ZhengSam ZhengSat, 07 Jan 2012 14:06:00 GMThttp://www.tkk7.com/SamZheng/archive/2012/01/07/368069.htmlhttp://www.tkk7.com/SamZheng/comments/368069.htmlhttp://www.tkk7.com/SamZheng/archive/2012/01/07/368069.html#Feedback0http://www.tkk7.com/SamZheng/comments/commentRss/368069.htmlhttp://www.tkk7.com/SamZheng/services/trackbacks/368069.htmlBecause some native platforms only provide limited buffer size for standard input and output streams, failure to promptly write the input stream or read the output stream of the subprocess may cause the subprocess to block, and even deadlock.

Sam Zheng 2012-01-07 22:06 鍙戣〃璇勮
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JAAS at a glancehttp://www.tkk7.com/SamZheng/archive/2011/12/31/367645.htmlSam ZhengSam ZhengSat, 31 Dec 2011 06:32:00 GMThttp://www.tkk7.com/SamZheng/archive/2011/12/31/367645.htmlhttp://www.tkk7.com/SamZheng/comments/367645.htmlhttp://www.tkk7.com/SamZheng/archive/2011/12/31/367645.html#Feedback0http://www.tkk7.com/SamZheng/comments/commentRss/367645.htmlhttp://www.tkk7.com/SamZheng/services/trackbacks/367645.html1, Authentication: define principals,  implement LoginModule and callback handler, associate designated principals with the subject object in the commit method of LoginModule implementation, configure the module implementation in a login configuration file, i.e
Sample {
   sample.module.SampleLoginModule required debug=true;
};

lc = new LoginContext("Sample", new MyCallbackHandler());
Subject s = lc.getSubject();
Subject.doAs(s, new PrivilegedAction(){...}); // the authenticated subject s will be associated with the current access control context.

2. Authorization: write policy file to grant principals access right to any critical resources. e.g.
grant
        Principal sample.principal.SamplePrincipal "testUser" {

   permission java.util.PropertyPermission "java.home", "read";
   permission java.util.PropertyPermission "user.home", "read";
   permission java.io.FilePermission "foo.txt", "read";
};


Sam Zheng 2011-12-31 14:32 鍙戣〃璇勮
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