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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6236) Remove references to old JVMs (pre-Java 6) from the user guides
Date Thu, 13 Feb 2014 12:59:20 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13900296#comment-13900296
] 

Knut Anders Hatlen commented on DERBY-6236:
-------------------------------------------

The reference manual patch looks good too. Two small issues:

The list of sub-classes of SQLException, which was moved to the java.sql.SQLException class
topic, is not complete (it was incomplete even before the patch). Other exceptions could be
raised by Derby, including BatchUpdateException, SQLNonTransientConnectionException and SQLTimeoutException.
Those were the ones I found, but there could be others. Maybe we should have qualified the
list with "for example" or something similar?

The java.sql.Driver interface topic says:

{quote}
You also need to call the Class.forName method in this way if you need to load a non-default
driver -- for example, if you want to load the embedded driver when using the Network Server.
{quote}

I wasn't quite sure what a "non-default driver" was. After looking at the example that was
referenced from this paragraph, I'm wondering if it would be more precise to say "You also
need to call the Class.forName method in this way if you need to boot the Derby engine without
actually connecting to it -- for example, if you want to start an embedded Network Server
instance."

> Remove references to old JVMs (pre-Java 6) from the user guides
> ---------------------------------------------------------------
>
>                 Key: DERBY-6236
>                 URL: https://issues.apache.org/jira/browse/DERBY-6236
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 10.11.0.0
>            Reporter: Rick Hillegas
>            Assignee: Kim Haase
>         Attachments: DERBY-6236-adminguide.diff, DERBY-6236-adminguide.stat, DERBY-6236-adminguide.zip,
DERBY-6236-dgt.diff, DERBY-6236-dgt.stat, DERBY-6236-dgt.zip, DERBY-6236-ref.diff, DERBY-6236-ref.stat,
DERBY-6236-ref.zip
>
>
> DERBY-6213 removed support for Java 5 and CDC. We need to scour references to these platforms
from our user documentation. This includes scouring references to JDBC 3.0 and JSR 169. Changes
include the following:
> -------- Admin Guide -------------
> o "Differences in JDBC 3.0 methods": The section should be renamed to "Differences in
JDBC methods" and references to JDBC 3.0 should be removed from its text.
> -------- Developer's Guide -------------
> o "Derby and Java Virtual Machines (JVMs)": the lowest supported JVM level should be
changed from 5 to 6.
> -------- Getting Started Guide -------------
> o "System requirements": the lowest supported JVM level should be changed from 5 to 6.
> o"Verifying the Derby system configuration": bullet 1, references to Java version 5 should
be changed to 6.
> o "Self-study tutorial for users new to Derby": references to JDK version 5 should be
changed to 6.
> -------- Reference Guide -------------
> o "JDBC reference": Change "JDBC 3.0 and 4.0 APIs" -> "JDBC API"
> o "java.sql.Driver interface": This section gives instructions on how to load the JDBC
driver if you are running on an old (pre-Java 6) JVM. The section is almost vacuous now. It
can be collapsed to the following summary:
> "The class that loads Derby's local JDBC driver is the class org.apache.derby.jdbc.EmbeddedDriver.
The class that loads Derby's network client driver is the class org.apache.derby.jdbc.ClientDriver."
> o "JDBC Package for Connected Device Configuration/Foundation Profile (JSR 169)": Remove
this section.
> o "Features supported on all JDBC 4 releases": This section should be removed and its
material should be merged into the preceding sections.
> o "DataSource classes": The following changes should be made.
> "Embedded environment, for applications running on JDK 5 or higher and using JDBC 3 and
JDBC 4.0 methods:" -> "Embedded environment, for applications running on Java 6 or higher:"
> Remove the following paragraph and the list of *40 DataSources which it introduces:
> "Embedded environment, for applications running on JDK 6 or higher and using methods
specific to JDBC 4.1 or JDBC 4.2:"
> "Client-server environment, for applications running on JDK 5 or higher and using JDBC
3 and JDBC 4.0 methods:" -> "Client-server environment, for applications running on Java
6 or higher:"
> Remove the following paragraph and the list of *40 DataSources which it introduces:
> "Client-server environment, for applications running on JDK 6 or higher and using methods
specific to JDBC 4.1 or JDBC 4.2:"
> -------- Tools Guide -------------
> o "Environment setup and the Derby tools": The minimum Java level is 6, not 5.



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