I will be pushing the fix back later today Best Lance > On Oct 1, 2018, at 3:56 AM, Ichiroh Takiguchi <[email protected]> > wrote: > > Hello Alan and Mandy. > > I appreciate your explanation and action. > > Also I read Lance's mail. > http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-September/055780.html > > I verified Lance's patch, it worked... > > Many thanks, > Ichiroh Takiguchi > IBM Japan, Ltd. > > On 2018-09-29 09:35, Mandy Chung wrote: >> On 9/28/18 1:59 AM, Alan Bateman wrote: >>> On 28/09/2018 08:28, Ichiroh Takiguchi wrote: >>>> Hello. >>>> One of JDBC application with JavaDB did not work on JDK12. >>>> Following exception happened: >>>> java.sql.SQLException: No suitable driver found for jdbc:derby:xxxxxx >>>> I assume, this issue related Modularity feature... >>>> I could not solve this issue by myself. >>> I suspect this is related to the de-privileging of the java.sql.rowset >>> module in JDK 9. The java.sql.rowset module is mapped to the platform class >>> loader whereas historically the types in this module were defined by the >>> boot class loader. This is relevant because java.sql.rowset is making use >>> of the java.sql.DriverManager (in the java.sql module) and DriverManager is >>> caller sensitive so it sees the caller coming from java.sql.rowset. This is >>> problematic because the JDBC driver is on the class path and is not visible >>> to the caller's class loader. The visibility check has always been in JDBC >>> and I suspect this usage in the JDBC Rowset implementation only worked by >>> accident in the past because DriverManager used the TCCL when called from >>> code defined to the bootstrap class loader. I'm sure Lance will jump in but >>> all previous investigations into changing behavior going back 20+ has come >>> to nothing due to compatibility concerns. >> It does look like related to the de-privileging of java.sql.rowset >> module. JDBC rowset implementation just happened to work in the past >> as it was defined to the bootstrap class loader. >> I have created JBS issue for this: >> https://bugs.openjdk.java.net/browse/JDK-8211295 >> Mandy >
<http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif>Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037 Oracle Java Engineering 1 Network Drive Burlington, MA 01803 [email protected] <mailto:[email protected]>
