src/jdk.jlink/share/classes/jdk/tools/jmod/JmodTask.java

rev 58246 : 8240333: jmod incorrectly updates .jar and .jmod files during hashing

*** 1,7 ****
  /*
!  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 985,994 ****
--- 985,1002 ----
                              ze.setTime(System.currentTimeMillis());
                              jos.putNextEntry(ze);
                              recordHashes(in, jos, moduleHashes);
                              jos.closeEntry();
                          } else {
+                             // We can't know which exact Deflater and which
+                             // compression level was used to compress the entry.
+                             // Setting "compressedSize" to "-1" prevents an error
+                             // in ZipOutputStream.closeEntry() if the newly
+                             // delfated entry will have another size than the
+                             // original compressed entry. See:
+                             // ZipOutputStream.putNextEntry()/closeEntry()
+                             e.setCompressedSize(-1);
                              jos.putNextEntry(e);
                              jos.write(in.readAllBytes());
                              jos.closeEntry();
                          }
                      } catch (IOException x) {