Now, I was using the SQuirreL SQL Client to look at my databases
as they were being created, but I couldn't use ij with the database
*_and_* SQuirreL at the same time.
Correct. Two separate JVMs cannot both access the same database using
the embedded driver concurrently.
What I'm wondering
On 07/05/2011 11:12 PM, dinesh nautiyal wrote:
Hi,
I want to use derby database with Eclipse,Plz suggest me how to pulg in Derby
with eclipse.
Thanks and Regards
Dinesh.
Perhaps you are looking for a resource like this:
1. Does the compiler take the amount of records in consideration when
compiling the query?
Yes. The optimizer has statistical information about the size of
the various tables, and about their keying structures, etc.
2. Am I right to assume the cause of the delay is in the excessive
amount of
I execute query lock table table name
in share mode but I cannot see any documentation on how to unlock a derby
table.
Commit.
thanks,
bryan
On 07/18/2011 07:16 AM, Lahiru Gunathilake wrote:
Hi Byan,
I am creating the connection with autoCommit=true parameter, does this work
with derby or should I explicitly commit the
transaction?
Lahiru
I believe if you do this, the system will automatically insert a 'commit'
immediately
pstmt.setString(1,cobj.getPartNo());
where the getPartNo() method returns null. When this happens I get a null
pointer exception.
It's not an exact match, but your description sounds VERY close to
https://issues.apache.org/jira/browse/DERBY-1938
Can you post a full stack trace of your
I am getting error that database 'wombat' not found.
You can specify ;create=true at the end of your connection URL and
then Derby will automatically create the database for you.
thanks,
bryan
the call jdbc:derby:EMDatabase;create=trueis not a valid call to embedded
driver. It is a call to a derby server
correct url should be ( as far as I know) jdbc:derby:path to
database;create=true
No, the server-style URL always has the double slash after the derby:, as in:
C:\WINDOWS\SYSTEM32\java.exe -splash:EMsplash.jpg -jar C:\Program
Files\ElectionManager\EMServer.jar
Not sure if this is the problem, but I believe that if you use '-jar' on
your command line, then CLASSPATH is ignored, and ALL the classes have to
come from the jar, right?
thanks,
bryan
I'm newbie of derby but there is something not clear for me.
There are soo few data that 12MB seems to excessive...could you please let me
know?
SYSCS_DIAG.SPACE_TABLE can help you figure out where your space goes:
http://db.apache.org/derby/docs/10.8/ref/rrefsyscsdiagtables.html
thanks,
I'm using Derby-10.8.1.2 bin installation for use in my program,
I got the following error stack :
java.lang.ClassNotFoundException: org.apache.derby.jdbc.ClientDriver
And is derbyclient.jar in your CLASSPATH?
thanks,
bryan
Is it possible to give rules of the following kind:
Every field of type INTEGER will take N bytes (N=4?),
every field of type VARCHAR(X) will take I*X+J bytes (I, J =?),
every field of type VARCHAR with NULL value will take K bytes,
every row will take the sum of all field-widths plus L bytes,
On 10/27/2011 09:26 PM, Sundar Narayanaswamy wrote:
I insert 1 rows into the table, then delete all that rows. I then call
SYSCS_UTIL.SYSCS_INPLACE_COMPRESS_TABLE
with just the option to purge rows so that the space left behind by deleted
rows can be reused for future inserts. I have
the
is there a way to mix an unique column with null values. So that i have an
column where only unique values are allowed with the
exception of multiple null values.
Yes.
Since Derby 10.4, that is the way that Derby's table-level UNIQUE constraints
have worked. See:
On 11/22/2011 04:01 AM, Peter Ondruška wrote:
I would extend your question: is there any difference in commit or rollback
after single select statement?
Nothing much that I ever found. I always use commit to complete my selects,
because it feels cleaner, at the application level, to use
Exception in thread main java.sql.SQLException: Import error on line 1 of
The error message is telling you that the error is on the very first line of
the data file.
Sometimes spreadsheet exports contain a special column headers row at the very
start. Usually your spreadsheet tool has a
ResultSet rs = s.executeQuery(values upper('Straße'));
So it seems the value is returned correctly, but the meta-data is wrong
(STRASSE is 7 characters long, not 6). ij uses the meta-data to
determine how much space each column should have.
6 *characters* long, but 7 *bytes* long?
Do we
What root canal Just to get column names of an index
I always just use ij's show indexes command.
http://db.apache.org/derby/docs/10.8/tools/rtoolsijcomrefshow.html
thanks,
bryan
well i use jdbc.EmbeddedDriver for my db connectivity and i connect to mydb
with this statement jdbc:derby:C:/Users/user1/firstdb i get in the
firstdb folder but i do not see the tables i have created.so where are they?
Make sure you say ;create=true at the end of your connect statement,
I have tried to force table level locking by;
1. SQL - lock table wayNodes6 in share mode
2. st.execute(call
SYSCS_UTIL.SYSCS_SET_DATABASE_PROPERTY('derby.locks.escalationThreshold','1'));
But the query execution plan always states it has chosen row level locking
Do you have autocommit
Yes, autocommit is turned off.
Any other thoughts?
Well, I never had any trouble getting the LOCK TABLE feature to work,
so I'm not sure what's wrong.
One possibility is that the query plan output is misleading you.
That is, although the query plan output might indicate that the
optimizer is
On 02/02/2012 02:53 PM, TXVanguard wrote:
UPDATE T1 INNER JOIN T2 ON (T1.A= T2.A) SET T2.B = T1.B
Perhaps something like:
update t2 set b = (select b from t1 where t1.a = t2.a)
thanks,
bryan
=== java.io.IOException: No space left on device at
sun.nio.ch.FileDispatcher.pwrite0(Native Method) at
Also check if your database is located on a FAT-32 filesystem or
similar, where database files are limited by the filesystem to
a max 2GB size.
Similar things can happen with
We have one particular user reporting an issue where getRuntimeInfo()
stalls while trying to read the data back from the server:
SwingWorker-pool-1-thread-3 Id=48 RUNNABLE
at java.net.PlainSocketImpl.isConnectionReset(PlainSocketImpl.java:623)
- locked java.lang.Object@48183ac5
get reports (and also felt it our self) that our app simply is losing
its connection to the DB.
What are the symptoms, exactly?
That is, what is it that makes you think you are losing your connection?
One thing that occurs to me is a bit of a long-shot: are you using a
connection pooling
Why i aways got an StackOverflowError exception when i try to run CALL
SYSCS_UTIL.SYSCS_COMPRESS_TABLE() ?
...
Caused by: java.lang.StackOverflowError
at java.lang.ThreadLocal.get(ThreadLocal.java:125)
at java.lang.StringCoding.deref(StringCoding.java:46)
at
On 02/26/2012 08:43 AM, Libor Jelinek wrote:
Hello everbody!
I would like to ask the community how to see a list of connected clients to
Derby Network Server?
Have you tried runtimeinfo:
http://db.apache.org/derby/docs/10.8/adminguide/tadminappsruntimeinfo.html
thanks,
bryan
room. I have noticed that no matter what I do, the ~10MB of memory that is
taken when the database connect is initiated is held no matter what commands
Certainly sounds like the database isn't getting fully shut down.
dynamDS.setShutdownDatabase(shutdown);
It's not clear to me that this
confused here on the archived logs and the active logs.
In general, there can be multiple logs covering the time between one
backup and the next backup, and those logs must be applied, serially,
in the correct order, to recover the database fully.
Once you take that next backup, you no longer
and echo $CLASSPATH
/home/kb9agt/jdk1.7/db/lib/derby.jar:.
I see A : separated list of directories
I think I need
java -cp $CLASSPATH WwdEmbedded
Yep. Did the trick. Please update the tutorial as soon as you can.
I'm glad you got it figured out, but I'm not sure what's wrong.
The whole point
*_java.lang.OutOfMemoryError: Java heap space_*
Is it because of the size of our database (3,1 GB!)? and what can I do to
improve the performance of the Derby Database, and
to resolve the error?
The Derby Tuning Guide provides a lot of useful general advice about how to
tune the performance
C:\java org.apache.derby.tools.sysinfo
Error: Could not find or load main class org.apache.derby.tools.sysinfo
C:\echo %CLASSPATH%
C:\Program Files\Apache\db-derby-10.8.1.2-bin\lib\derby.jar;C:\Program Files
\Apache\db-derby-10.8.1.2-bin\LIB\derbytools.jar;
Sometimes it is hard to get the
How to limit thesize of db file afterlarge amounts of insert and delete
operation?
One common technique for handling this pattern of activity, is to use
a collection of tables, rather than a single table, and to drop entire
tables rather than deleting rows from an existing table.
For example,
Currently I have a DB named myDB and myDB consists of a few tables in it.
Lets say I want to write to myDB from different computers concurrently(each
computer will have its own myDB), how do I merge and combine the DB from
each computer into 1 central DB at the end of the day?
One technique is
Derby is used heavily in my project and its tables are frequently accessed
concurrently by multiple threads. Some threads update
one or several tables, while other threads perform run select statements
against those. I’ve written to this group several times
whenever errors occurred, but some of
On 06/30/2012 02:24 PM, fed wrote:
I have a derby database 10.8.x and i use it with jdo/datanuclues.
I am trying to update it to 10.9 but after updating it the database
becomes unusable, it gives me an ArrayIndexOutOfBoundsException on
conn.getMetaData().getIndexInfo(... ).
From time to time,
Does anyone have explanation on the error? Is there anything we can do to drop
the table successfully?
There's some sort of a bug here. If you can file it in JIRA with whatever
supporting
information you can provide (ideally, a reproduction case or perhaps a backup
of the
database with this
On 07/03/2012 03:20 PM, TXVanguard wrote:
Don't worry too much about the details: just look at the SELECT DISTINCT,
the WHERE, the GROUP BY, etc. What are some general strategies for speeding
up this kind of statement?
What the community knows about this sort of thing is mostly collected
Caused by: java.io.FileNotFoundException:
D:\repos\TOPIK\workspace\log\db_20120614_114744\loggingDB20120614_114744\log\log2846.dat
(The process cannot access the file
because it is being used by another process)
Check to see if you have an active Anti-Virus scanning program
which is monitoring
These Derby dbs (version 10.5.1.1) are stored on a NAS (cluster Isilon NL
series) shared between
webservers. The derby db is directly acceded on NAS and it is thread safe.
When you say the Derby dbs are stored on a device shared between webservers,
do you mean that there are Derby
I am attempting to configure Derby with Eclipse. I have downloaded the DerbyUI
svn source and after importing the source into Eclipse per the instructions I
have an error in the plugin.xml file indicating org.apache.derby.core cannot be
resolved.
Has anyone else encountered this and know what
1) Does Java DB support database level audit trail ?
Derby does not provide any support for tracking security-related operations.
If you only need to audit update statements, you may be able to
define triggers that do what you need.
Typically this is done by having your triggers append
I would have expected that around line 175 I would get the row count
as it was before the uncommitted
transaction started and that no lock would be needed to just read.
Unfortunately, Derby doesn't currently implement these snapshot isolation
types of semantics.
Is this the way it is supposed
After adding these in, I get assertion failures when trying to run
some queries, which is perhaps not surprising.
Seemingly, it seems all the user conglomerates are present, looking
at the list of filenames present.
Is there any way I can get this database into a useable state?
I can't think
On 08/17/2012 04:05 AM, Stefan R. wrote:
database, got an I/O Exception while writing to the backup container file
/mnt/backup/2012-08-13-00-00-00/bd/seg0/c9b1.dat.#012#011at
org.apache.derby.client.am.Statement.completeExecute(Unknown
...
org.apache.derby.client.am.SqlException: Java
I was given some data for academic research purposes all zipped up. Once I
opened them I found out I had part of a derby database! (two folders were
sent; seg and log).
I'm now trying to reconstruct a derby database with these folders but not
having any luck. I essentially created a new db with
i need to connect my java code with ma database..hou should i
write the database connection code in windows..i need
hostname,name of the db,type of driver,tcp/ip port no of db,username,password.
http://db.apache.org/derby/docs/10.9/getstart/
bryan
So the 'boolean' word definately works, just not in the instance of a
create table as statement.
Yes, that sounds like a bug. Boolean has recently been added to the
DDL language, and this might have been missed.
Did you try searching JIRA to see if it's a known bug? If not, please
log a bug
ij CALL SYSCS_UTIL.SYSCS_BACKUP_DATABASE('/usr/local/derby10/backups');
...
ERROR 38000: The exception 'java.security.AccessControlException: Access denied
(java.io.FilePermission
/usr/local/derby10/backups/PRAT write)' was thrown while evaluating an
expression.ERROR XJ001: Java exception:
And that would lead me to expect that each engine (and therefore class
loader) would get its own, separate namespace of in-memory databases.
That seems like correct behavior to me.
thanks,
bryan
DELETE FROM ConnectionEntity conn WHERE conn.stopOrPass.id
IN +
(SELECT sop.id FROM StopOrPassEntity sop WHERE
sop.partialTrip.id IN +
(SELECT prtTrip.id FROM PartialTripEntity prtTrip WHERE
prtTrip.trip.id IN : Ids))
There have
. What does U and X mean after the trans. Ids?
The query is:
DELETE FROM TRIP_TIMETABLE
WHERE EXISTS(
SELECT ID FROM TRIP WHERE (ID IN (?)) AND ID =
TRIP_TIMETABLE.trips_ID
)
What can be wrong with this query?
I'm not exactly sure what's wrong, but I agree that they both
while ago I knocked up a Maven plugin which can start Derby for you during
the build (in the same VM) and be used by integration tests (which are not
forked. of course).
Hi Martin,
You might want to add some information about your tool to the Uses of Derby
section of the Derby wiki at
My company is evaluating whether to use Derby for a desktop/client-server
application where security and 21-CFR 11 compliance is important.
Although Derby can be used perfectly well as a standalone database, it
is also designed to be embedded into a containing application.
The Derby libraries
I've checked my computer and couldn't find another version of derby
installed anywhere.
The 'sysinfo' tool can be useful for figuring out which copy of Derby
is getting run, and from what location:
http://db.apache.org/derby/docs/10.9/tools/rtoolssysinfo41288.html
thanks,
bryan
Forwarding to the list.
On 12/19/2012 04:10 AM, 王旭 wrote:
*Hello Pendleton*
**
*I am a loyal user of derby database from China. I found some problems
in the course of use, so I need your help urgently.*
**
*Derby Version**：**10.4*
*Question one**：***
Firstly, I created a
The change in timing is spectacular: it now takes about 0.4 seconds
Great news!
I think it would be cool if you could write up a short summary of
your findings and put it on the hints and tips section of the
Derby community wiki.
thanks,
bryan
What I can't figure out is the name of the database the network client
should connect to, aka the last element of the JDBC URL.
The last element is basically the same: it is the path to the database,
starting from the network server's derby.system.home location.
So if you do:
On 02/18/2013 07:40 AM, Wujek Srujek wrote:
Hi. But why is there any local transaction? I haven't started any, I just set
autoCommit to false
There is always a transaction; Derby won't let you ever
access the database without one.
What auto-commit does is to automatically commit the
One more question, though: the uncommitted insert comes up
in the subsequent select - is this data coming from the server,
from the active tx, or does the jdbc driver cache the data somehow?
The results are coming from the server. The server shows you your own
uncommitted updates, but won't
I caught SQLException and he said that : No suitable driver found for
jdbc:derby:MoneyBack1;create=true;user=miltone;password=password
So your classloader can't find the derby driver. Have you checked that
derby.jar is on your classpath?
The sysinfo tool is useful for diagnosing classpath
I am using netbeans. When I use embedded driver in netbeans i get errors, even
though the derbyclient is in the
library. If i add derbyclient.jar in the client it runs perfectly, even though
the driver is:
Class.forName(org.apache.derby.jdbc.EmbeddedDriver).newInstance();
The choice of the
C:\Users\pocky\derby\db-derby-10.9.1.0-bin\DERBYTUTORjava -jar
%DERBY_HOME%\lib\derbyrun.jar server start
C:\Users\pocky\derby\db-derby-10.9.1.0-bin\DERBYTUTOR
It is odd that you didn't see any output from the command:
java server start
Normally when I run that command there is
Hi John,
Here's my perspective on what you posted:
1) Anytime you issue a SELECT statement with an ORDER BY, and the
rows don't come back in that order, that's a bug. As you point
out, it would be best if you could narrow this down to a simple
reproducible case when you report it.
However,
i create one table in the already existing Derby by but table is creating
successfully but unable to insert the record.
What happens when you try to insert the record?
Do you get an exception?
What does the exception say?
Here's how to read the exception information:
Exiting the VM isn't really an option for me anyway, this is just when
someone is closing the database, potentially planning to open another
one.
Another question along the same lines then - if I kick off the
shutdown in another thread, what happens if the same database is then
reopened while
I need script to create new schema app2 with the exact replica of app1 schema
Have you investigated dblook?
http://db.apache.org/derby/docs/10.10/tools/ctoolsdblook.html
thanks,
bryan
On 8/22/2013 1:31 AM, Ayesha Dissanayaka wrote:
I am a newbie to derby and I would like to try out improve performances of
aggregate functions
Hi, and welcome to Derby!
In the area of improvements to aggregate functions
in Derby, you could consider working on the implementation
of window
CLASSPATH: .;C:\Program Files (x86)\Java\jre7\lib\ext\QTJava.zip;C:\Program
Files\Java\jdk1.7.0_25\db\lib;C:\Program
Files\Java\jdk1.7.0_25\bin;C:\Program Files\Java\jre7\bin
Don't name the *directories* here, name the actual *jar files*.
As in:
set CLASSPATH=C:\Program Files
C:\Users\Docecho %CLASSPATH%
.;C:\Program Files (x86)\Java\jre7\lib\ext\QTJava.zip;C:\Program
Files\Java\jdk1.7.0_25\db\lib\derbyrun.jar;C:\Program
Files\Java\jdk1.7.0_25\bin;C:\Program Files\Java\jre7\bin;C:\Program
Files\Java\jdk1.7.0_25\db\lib\derbyclient.jar
After making the changes and
C:\Users\Docjava org.apache.derby.tools.sysinfo
- Derby Information
JRE - JDBC: Java SE 7 - JDBC 4.0
[C:\Program Files\Java\jdk1.7.0_25\db\lib\derby.jar] 10.8.2.2 - (1181258)
[C:\Program Files\Java\jdk1.7.0_25\db\lib\derbytools.jar] 10.8.2.2 -
(1181258)
[C:\Program
Here's the output:
java.lang.ClassNotFoundException: org.apache.derby.jdbc.ClientDriver
Hmmm...
It sure seems like a classpath problem, but you can find the
class when you run simple utilities like ij or sysinfo.
Perhaps the classpath that your application is running with is
somehow
C:\Users\HeartBeat\Desktopjava org.apache.derby.tools.sysinfo
- Derby Information
[C:\Users\HeartBeat\Desktop\Derby\lib\derby.jar] 10.10.1.1 - (1458268)
[C:\Users\HeartBeat\Desktop\Derby\lib\derbytools.jar] 10.10.1.1 - (1458268)
I know I can just slap a synchronized block around these two methods
to make it bulletproof, but there are two problems with this:
(1) synchronized is slow and Derby's shutdown is not fast at all...
(2) I don't know what other apps might be open in the same JVM at the same.
I'm not sure
2013-10-11 07:33:05,767 [main ] DEBUG
factory.support.DefaultListableBeanFactoryReturning cached instance of
singleton bean
'org.springframework.transaction.interceptor.TransactionInterceptor#0'
2013-10-11 07:33:05,907 [main ] DEBUG org.hibernate.SQLvalues next value for
SEQ_USER
2013-10-11
rs = s.executeQuery(SELECT COUNT(*) FROM TABLE_NAME);
int recordCount = ??;
The query returned a result set.
Call next() on the result set to move to the first (and only)
row in the result set.
Then you can call getInt() to get the integer value of the
first (and only) column in that row.
int recordCount = rs.getInt();
I get compilation error on last line
The method getInt(int) in the type ResultSet in not applicable for the
arguments ()
Indeed, you have to specify the columnIndex.
http://docs.oracle.com/javase/7/docs/api/java/sql/ResultSet.html#getInt(int)
Specify getInt( 1
On 12/1/2013 3:44 PM, Bob M wrote:
I am wishing to commit several add, delete, update operations,
I'm not sure what your question is.
Are you asking about Connection.commit()? See:
http://docs.oracle.com/javase/7/docs/api/java/sql/Connection.html#commit()
If you're unsure how to use
In my code I am expecting to add a new record and delete the oldest record
each time the process is run
However the results I get are :-
I generally find these sorts of problems easiest to work out by
using an interactive SQL tool like Derby's IJ or the SquirrelSQL tool.
Another useful skill
// Update this record by adding predicted return and predicted class
psUpdate = conn.prepareStatement(UPDATE USD_JPY SET
Return_predicted=?,Class_predicted=?);
statements.add(psUpdate);
psUpdate.setDouble(1, return_current);
psUpdate.setString(2, class_current);
conn.commit();
However, the
It would appear that my so-called 'date' field is not a good field to have
in a primary key!
You can have just about any datatype in your primary key.
The only hard requirement is that the primary key must be unique.
Using existing fields from your record which uniquely identify
your data is
java.sql.SQLDataException: An attempt was made to get a data value of type
'DATE' from a data value of type 'java.time.LocalDate'.
According to
http://download.java.net/jdk8/docs/api/java/sql/Date.html
http://download.java.net/jdk8/docs/api/java/util/Date.html
and
Ostensibly the where clause really slow does the query. How come and how do I
remedy?
Here's a good place to start:
http://wiki.apache.org/db-derby/PerformanceDiagnosisTips
thanks,
bryan
select a.* from (select * from ducc.job order by stateIndex asc, id
desc) a where id 117000
Why is this query written like this, as opposed to, say:
select * from ducc.job order by stateIndex asc, id desc
where id 117000
Do you get a different query plan / run time if you use a
So I tried:
ij select * from ducc.Job where id 117000 order by stateIndex asc, id desc;
You're right; the ORDER BY has to be the final clause, not before the WHERE.
Thanks for correcting that.
And I see this query plan:
OK, I'm afraid I've forgotten the overall context. This query plan
On 1/7/2014 12:52 PM, degenaro wrote:
Bryan Pendleton-3 wrote
Are the queries that we're discussing here running slowly for you?
Yes, very slow. With about 50,000 rows the query takes about 30 seconds
give or take. But if I remove the where clause, the time is sub second.
Wow, that's
Can I run derby for a long time with many inserts, deletes and updates? Are the
memories, disk spaces recovered after deletion/updating?
I have run Derby as the primary database for a
mid-size Build Automation application. The application
ran 24 hours/day, 7 days/week, querying and updating
I'm trying to migrate a system (72 tables) from MySQL to Apache.
Have you considered using ddlutils: http://db.apache.org/ddlutils/
thanks,
bryan
How do I know databases connected at a given moment ?
In order to :
- Have knowledge of potential users connected to each connected dataBase
- Shutdown these databases in order to remove them without shutDown derby.
You didn't say what platform you are on, but one simple way is to use
a tool
On 1/31/2014 8:43 AM, John I. Moore, Jr. wrote:
One final point of clarification to my original email:
John, thanks for sharing all your findings, and thanks all of you
for the pointers to detailed information. I've tried to collect
it all at:
I launch derby by issuing the command (from $DERBY_HOME)
It's always been a bit of a trick to figure out which
directory the Network Server is trying to read your
properties from.
Does it work if you do:
java -jar $DERBY_HOME/lib/derbyrun.jar -Dderby.language.logStatementText=true
server
I have used *EmbeddedConnectionPoolDataSource *class for connection pooling and
I just want to check if my connection are actually being pooled.
You could attach a memory debugger, like the Eclipse Heap
Analysis Tool, and look at the histogram of classes, and
look at the number of instances of
My command line is:
-jar derby.jar %DERBY_OPTS% -classpath %DERBY_RUNPATH%
org.apache.derby.drda.NetworkServerControl start
Is it a typo? It looks like you are missing the word java
at the start of your command line.
thanks,
bryan
FireDaemon loads the process a little differently than the command line but
it works because other java applications ive run as services run fine
1) What, precisely, does FireDaemon do differently, and
2) What, precisely, goes wrong when you try to run Derby?
I.e., do you get an error message?
that the database server runs under port 1527. But I can´t get a connection
to the database from my windows 7 PC. I checked my firewall (comodo) and
opened the port 1527.
The database server does run on port 1527 (by default), but you
have to start that server yourself.
What can I do to just delete this table and then rebuild it from the Mirror
file?
Can you use RENAME TABLE?
Then you can create your new table with the old name, and just
leave that old, damaged table around.
Of course, you'll want to arrange a more long-term solution,
but that might get you
On 5/14/2014 2:38 AM, wrote:
I am use 10.8.2.x for more than 2 years, and it works well till today. Suddenly
I can't open it
Do you have the complete exception stack?
http://wiki.apache.org/db-derby/UnwindExceptionChain
thanks,
bryan
java.lang.OutOfMemoryError: Java heap space
Have you experimented with giving more memory to your JVM?
thanks,
bryan
It's interesting that you are trying to set it to use 6 G, and
yet in your other message there was the line:
Total Memory : 1756889088 Free Memory : 306272128
which seems to indicate that it's only using 1.7 GB.
Like maybe you're running a 32 bit JVM, not a 64 bit JVM, somehow?
bryan
What is in 'derby.log' when you try to restart Derby?
thanks,
bryan
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