SUGGESTED FIX

*** src/solaris/native/java/net/PlainDatagramSocketImpl.c-      Wed Apr 11 15:32:52 2007
--- src/solaris/native/java/net/PlainDatagramSocketImpl.c       Mon Jun 11 12:10:13 2007

*** 1,9 ****
  /*
!  * @(#)PlainDatagramSocketImpl.c      1.94 05/05/26
   *
!  * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
   * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
   */
  
  #include <errno.h>
  #include <netinet/in.h>
--- 1,9 ----
  /*
!  * %W% %E%
   *
!  * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
   * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
   */
  
  #include <errno.h>
  #include <netinet/in.h>

*** 693,702 ****
--- 693,704 ----
              int orig_errno = errno;
            (void) recv(fd, fullPacket, 1, 0);
              errno = orig_errno;
          }
  #endif
+       (*env)->SetIntField(env, packet, dp_offsetID, 0);
+       (*env)->SetIntField(env, packet, dp_lengthID, 0);
        if (errno == ECONNREFUSED) {
            JNU_ThrowByName(env, JNU_JAVANETPKG "PortUnreachableException",
                            "ICMP Port Unreachable");
        } else {
            if (errno == EBADF) {

*** 703,719 ****
                   JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
              } else {
                   NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
              }
        }
        (*env)->SetIntField(env, packet, dp_offsetID, 0);
        (*env)->SetIntField(env, packet, dp_lengthID, 0);
-     } else if (n == JVM_IO_INTR) {
        JNU_ThrowByName(env, JNU_JAVAIOPKG "InterruptedIOException",
                        "operation interrupted");
-       (*env)->SetIntField(env, packet, dp_offsetID, 0);
-       (*env)->SetIntField(env, packet, dp_lengthID, 0);
      } else {
        /*
         * success - fill in received address...
         *
         * REMIND: Fill in an int on the packet, and create inetadd
--- 705,719 ----
                   JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
              } else {
                   NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
              }
        }
+     } else if (n == JVM_IO_INTR) {
        (*env)->SetIntField(env, packet, dp_offsetID, 0);
        (*env)->SetIntField(env, packet, dp_lengthID, 0);
        JNU_ThrowByName(env, JNU_JAVAIOPKG "InterruptedIOException",
                        "operation interrupted");
      } else {
        /*
         * success - fill in received address...
         *
         * REMIND: Fill in an int on the packet, and create inetadd

*** 905,914 ****
--- 905,916 ----
          /* truncate the data if the packet's length is too small */
          if (n > packetBufferLen) {
              n = packetBufferLen;
          }
          if (n == JVM_IO_ERR) {
+             (*env)->SetIntField(env, packet, dp_offsetID, 0);
+             (*env)->SetIntField(env, packet, dp_lengthID, 0);
              if (errno == ECONNREFUSED) {
                  JNU_ThrowByName(env, JNU_JAVANETPKG "PortUnreachableException",
                                  "ICMP Port Unreachable");
              } else {
                  if (errno == EBADF) { 

*** 915,931 ****
                       JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
                   } else {
                       NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
                   }
              }
              (*env)->SetIntField(env, packet, dp_offsetID, 0);
              (*env)->SetIntField(env, packet, dp_lengthID, 0);
-         } else if (n == JVM_IO_INTR) {
              JNU_ThrowByName(env, JNU_JAVAIOPKG "InterruptedIOException",
                              "operation interrupted");
-             (*env)->SetIntField(env, packet, dp_offsetID, 0);
-             (*env)->SetIntField(env, packet, dp_lengthID, 0);
          } else {
              int port;
              jobject packetAddress;
  
              /*
--- 917,931 ----
                       JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
                   } else {
                       NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
                   }
              }
+         } else if (n == JVM_IO_INTR) {
              (*env)->SetIntField(env, packet, dp_offsetID, 0);
              (*env)->SetIntField(env, packet, dp_lengthID, 0);
              JNU_ThrowByName(env, JNU_JAVAIOPKG "InterruptedIOException",
                              "operation interrupted");
          } else {
              int port;
              jobject packetAddress;
  
              /*
                                     

EVALUATION

Duplicated with 6273094 and 6231286. So need to backport the fixes into 1.4.2 if needed.