Retrieving random key-value pair

I am storing a large number of items I want to randomly select from. Say for example I want to store a massive list of competition entrants (10-100 million) and I want to keep randomly pulling out winners (and removing them ideally).
At the moment I'm using a cursor on a DH_HASH database (I have tried a BTREE too) as follows:
g_db.cursor(NULL, &dbc, 0);
int res = dbc->get(&key, &data, DB_LAST); // tried DB_FIRST too
This works somewhat ok, depending how I'm adding entries in the first place. If I add names very randomly it works fine. If, however, I add names perfectly in order (say I'm entering them from a pre-sorted list) I consistently get similar results back, say a lot of entries beginning "John".
I tried reversing the stored keys, which again helps with randomisation, but then I end up with a lot of senoJ (Jones) entries.
What I really want is completely randomized retrieval, but google hasn't helped me.
Any help gratefully received!
Cheers.
(Note: my example is purely fictitious!)

Hello,
Perhaps making use of the set_h_hash method to set a user-defined hash function documented in the Reference Guide at:
http://www.oracle.com/technology/documentation/berkeley-db/db/api_reference/C/dbset_h_hash.html
Or setting your own Btree comparison via the set_bt_compare method documented in the Reference Guide at:
http://www.oracle.com/technology/documentation/berkeley-db/db/programmer_reference/bt_conf.html#am_conf_bt_compare
would help achieve the desired results.
Thanks,
Sandra

Similar Messages

Is it possible to load 1 billion key-value pairs into BerkeleyDB database?

Hello,
I experiment with loading huge datasets into BerkeleyDB database. The procedure is as follows:
1. Generate a dump-like file using a script. The file contains key-value pairs (on separate lines, exactly in the format of the dump file, that can be produced by db_dump). The index is hash.
2. Use db_load to create a database. The OS is windows server 2003.
Both key and values are 64-bit longs.
Using this procedure, I succeeded to load 25 million pairs in the database. It took about 1-2 hours.
Next, I tried to load 250 million pairs into an empty database. db_loader runs already 15 hours. It's memory consumption is very low: private bytes ~2M, working set ~2M, virtual size ~13M. db_loader already read all the pairs from disk, as IO is very low now: ~4M per second. I am not sure if db_loader will finish in next 24h hours.
My goal is to load eventually 3 billion key-value pairs into one DB.
I will appreciate if someone will advise me:
1. If BerkeleyDB is capable of dealing with such database volume.
2. Is my procedure good, how to optimize it. Is it possible to allocate more RAM to db_load? Are there other ways to optimize loading time?
Thank you,
Gregory.

Hello Sandra,
The version is: Berkeley DB 5.0.21: (March 30, 2010).
The data: keys and values are random 64 bit numbers.
The header of the "dump" file that I am trying to load is (there are 256 * 1e6 key-value pairs in the file):
VERSION=3
format=bytevalue
type=hash
h_nelem=512000000
db_pagesize=8192
HEADER=END
The db_load allocates 1G memory cache.
Thank you,
Gregory.

Maximum number of key/value pairs in btree or hash database

It's not clear to me from the documentation what the limit is on the number of key/value pairs in a Btree or hash database. The documentation on logical record numbers says that the db_recno_t type is a 32-bit unsigned type, "which limits the number of logical records in a Queue or Recno database, and the maximum logical record which may be directly retrieved from a Btree database, to 4,294,967,295". What does "directly retrieved" mean in this sentence? Does this mean that Btree is limited to 4,294,967,295 key/vaue pairs? If so, is this also the limit for a hash database?

Hi mcgarvek,
In case of Queue, Recno and Btree configured for logical record numbers - you can do that by setting DB_RECNUM flag: http://www.oracle.com/technology/documentation/berkeley-db/db/api_c/db_set_flags.html#DB_RECNUM , the maximum number of records is 4,294,967,295 and after that limit, the next record will be inserted as record number 1.
In case of Hash and Btree, the maximum database size depends on the page size selected by the application. Berkeley DB stores database file page numbers as unsigned 32-bit numbers and database file page sizes as unsigned 16-bit numbers. Using the maximum database page size of 65536, this results in a maximum database file size of 248 (256 terabytes).
Database limits: http://www.oracle.com/technology/documentation/berkeley-db/db/ref/am_misc/dbsizes.html
Logical record numbers: http://www.oracle.com/technology/documentation/berkeley-db/db/ref/am_conf/logrec.html
Regards,
Bogdan Coman

How to combine large number of key-value pair tables into a single table?

I have 250+ key-value pair tables with the following characteristics
1) keys are unique within a table but may or may not be unique across tables
2) each table has about 2 million rows
What is the best way to create a single table with all the unique key-values from all these tables? The following two queries work till about 150+ tables
with
t1 as ( select 1 as key, 'a1' as val from dual union all
          select 2 as key, 'a1' as val from dual union all
          select 3 as key, 'a2' as val from dual )
, t2 as ( select 2 as key, 'b1' as val from dual union all
          select 3 as key, 'b2' as val from dual union all
          select 4 as key, 'b3' as val from dual )
, t3 as ( select 1 as key, 'c1' as val from dual union all
          select 3 as key, 'c1' as val from dual union all
          select 5 as key, 'c2' as val from dual )
select coalesce(t1.key, t2.key, t3.key) as key
,      max(t1.val) as val1
,      max(t2.val) as val2
,      max(t3.val) as val3
from t1
full join t2 on ( t1.key = t2.key )
full join t3 on ( t2.key = t3.key )
group by coalesce(t1.key, t2.key, t3.key)
with
master as ( select rownum as key from dual connect by level <= 5 )
, t1 as ( select 1 as key, 'a1' as val from dual union all
          select 2 as key, 'a1' as val from dual union all
          select 3 as key, 'a2' as val from dual )
, t2 as ( select 2 as key, 'b1' as val from dual union all
          select 3 as key, 'b2' as val from dual union all
          select 4 as key, 'b3' as val from dual )
, t3 as ( select 1 as key, 'c1' as val from dual union all
          select 3 as key, 'c1' as val from dual union all
          select 5 as key, 'c2' as val from dual )
select m.key as key
,      t1.val as val1
,      t2.val as val2
,      t3.val as val3
from master m
left join t1 on ( t1.key = m.key )
left join t2 on ( t2.key = m.key )
left join t3 on ( t3.key = m.key )
/

A couple of questions, then a possible solution.
Why on earth do you have 250+ key-value pair tables?
Why on earth do you want to consolodate them into one table with one row per key?
You could do a pivot of all of the tables, without joining. something like:
with
t1 as ( select 1 as key, 'a1' as val from dual union all
          select 2 as key, 'a1' as val from dual union all
          select 3 as key, 'a2' as val from dual )
, t2 as ( select 2 as key, 'b1' as val from dual union all
          select 3 as key, 'b2' as val from dual union all
          select 4 as key, 'b3' as val from dual )
, t3 as ( select 1 as key, 'c1' as val from dual union all
          select 3 as key, 'c1' as val from dual union all
          select 5 as key, 'c2' as val from dual )
select key, max(t1val), max(t2val), max(t3val)
FROM (select key, val t1val, null t2val, null t3val
      from t1
      union all
      select key, null, val, null
      from t2
      union all
      select key, null, null, val
      from t3)
group by keyIf you can do this in a single query, unioning all 250+ tables, then you do not need to worry about chaining or migration. It might be necessary to do it in a couple of passes, depending on the resources available on your server. If so, I would be inclined to create the table first, with a larger than normal percent free, then do the first set as a straight insert, and the remaining pass or passes as a merge.
Another alternative might be to use the approach above, but limit the range of keys in each pass. So pass one would have a predicate like where key between 1 and 10 in each branch of the union, pass 2 would have key between 11 and 20 etc. That way everything would be straight inserts.
Having said all that, I go back to my second question above, why on earth do you want/need to do this? What is the business requirement you are trying to solve. There might be a much better way to meet the requirement.
John

Mapping unique elements to a Key Value Pair using XSLT in ESB

Hi Guys,
I am in need of a solution for mapping some of the response elements to a a key value pair in my target schema. How could I achieve this. It is very very urgent. How will the XSL look like
Source
<Source>
*<Element1>One</Element1>*
*<Element2>Two</Element2>*
<Action>Manage</Action>
</Source>
Target
<Target>
<Action>Manage</Action>
<AdditionalData>
*<KeyValuePair>*
*<key>Element1</key>*
*<value>One</value>*
*</KeyValuePair>*
*<KeyValuePair>*
*<key>Element2</key>*
*<value>Two</value>*
*</KeyValuePair>*
</AdditionalData>
</Target>
Edited by: user13156113 on May 25, 2010 7:01 AM

Below is the soultion which I finally did it by myself. Any other solutions would be welcome.
<ns10:AdditionalData>
<xsl:for-each select="//node()">
<xsl:if test="text()">
<ns16:KeyValuePair>
<ns16:Key>
<xsl:value-of select="xp20:upper-case(name(.))"/>
</ns16:Key>
<ns16:Value>
<xsl:value-of select="."/>
</ns16:Value>
</ns16:KeyValuePair>
</xsl:if>
</xsl:for-each>
</ns10:AdditionalData>

Can we achieve data conversion for my scenario key value pair

My data
create table test
( id int,name varchar(10),value int, color varchar(20))
I would like to have data in the following format
where each id will combination of data set for each row for a id and separated by delimiter from another set
like a key value pair
ID Value
1 |a,10,green|a,15,blue|
2 |b,11,red|b,12,yellow|
Please let me know if this can be achived in SSIS using trasnformation or in SQL ?
And if so what is the best approach to hande this conversion
Mudassar

Thanks for your help.
I can assume that it can only be handled in SQL and this cant be done in SSIS transformations.
EXAMPLE 4 - Using XML PATH & correlated subquery for sublist
-- Create comma delimited sublist
SELECT   Subcategory = ps.[Name],
         ColorList = Stuff((SELECT DISTINCT  ',
' + Color AS [text()]
                            FROM AdventureWorks2008.Production.Product
p
                            WHERE p.ProductSubcategoryID = ps.ProductSubcategoryID
                            FOR XML PATH ('')),1,1,'')
FROM     AdventureWorks2008.Production.ProductSubcategory
ps
ORDER BY Subcategory;
GO
Subcategory             ColorList
Helmets                 Black, Blue, Red
Hydration Packs         Silver
Jerseys                 Multi, Yellow
Mudassar

Application specific key-value pairs in jndi.properties

Hello,
Can I specify my application specific key-value pair in jndi.properties?
I tried something like this
java.naming.factory.initial=.jndi.WLInitialContextFactory
java.naming.provider.url=t3://localhost:7001
myVar=myVal
When i tried looking up "myVar" from my client program, I got an error.
The other parameters like weblogic.jndi.WLInitialContextFactory are picked up.
Anyhelp will be appreciated
Vasim

We have a similar problem.
We would like to configure our PROVIDER_URL for a specific web application - not
for the entire server. Since the URL should be different in development, test
and production environments, we would prefer to just set it in the deployment
descriptor. And we have a lot of code that just uses
ctx = new InitialContext();
when looking up EJBs, queues etc.
Actually, to take the problem one step further, it should be expected that later
we will have EJB's deployed on different machines/clusters - so we will actually
need specific urls for each EJB.
Is there a good way to do this? Or will we have to custom-develop our own jndi
configuration standard using application parameters to set which JNDI provider
each EJB should be looked up with?
Alternativaely, can we "import" the JNDI trees of the app server in the JNDI tree
of the web servers?
So, how should we go about this?
Robert Patrick <[email protected]> wrote:
Vasim wrote:
Hi Robert,
You are right. But The object "myVar" which I am trying to look upis not in
the JNDI tree nor am I interesed in binding it . But my requirementis that
I have one application specific variable which I am trying to lookup and I
dont want to have a separare config file for this..and hence the question..So, put the properties you want in the jndi.properties file and load
the properties
file from your code by doing something like this:
Properties props = new Properties();
ClassLoader cl = Thread.currentThread().getContextClassLoader();
if (cl == null)
cl = System.getSystemClassLoader();
InputStream is = cl.getResourceAsStream("jndi.properties");
props.load(is);
Personally, I would not use this file and would create an application-specific
file
or, as Daniel suggested, define your properties as a System property
and use
System.getProperty("myVar").
btw, is jndi.properties only for those objects which are bound to jnditree?
jndi.properties is only used for creating the JNDI InitialContext. The
whole idea
of this file is that in remote client code (without the jndi.properties
file), you
need to do something like this to tell the JNDI classes how to connect
to the JNDI
provider:
Properties props = new Properties();
props.put(Context.PROVIDER_URL, "t3://myservername:7001");
props.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
InitialContext ctx = new InitialContext(props);
but inside the server, you only need to do this because the server is
the provider
and already knows how to connect to itself:
InitialContext ctx = new InitialContext();
Therefore, the jndi.properties file allows you to externalize this property-setting
code that sets up the properties to be passed to the InitialContext constructor
so
that the remote client code can now look exactly like the code inside
the server.
The InitialContext constructor will look for this jndi.properties file
in your
classpath and load it to get the necessary configuration information
to determine
how to connect to the JNDI provider.
Hope this helps,
Robert

Java Install, Cannot insert a key value pair into the secure store fails,

Dear All,
I'm doing Java Intallaion in BI7 on CI and in the midle of installtions we encounter,
TRACE      [iaxxejsexp.cpp:199]
           EJS_Installer::writeTraceToLogBook()
NWException thrown: nw.secureStore.cannotInsertIntoSecureStore:
Cannot insert a key value pair into the secure store fails; see output of log file SecureStoreInsert.log:
SAP Secure Store in the File System - Copyright (c) 2003 SAP AG
A key/value pair with this key already exists in the store..
ERROR      2008-04-23 11:36:21
           CJSlibModule::writeError_impl()
CJS-30051 Cannot insert a key value pair into the secure store fails; see output of log file SecureStoreInsert.log:
SAP Secure Store in the File System - Copyright (c) 2003 SAP AG
A key/value pair with this key already exists in the store..
TRACE      [iaxxejsbas.hpp:460]
           EJS_Base::dispatchFunctionCall()
JS Callback has thrown unknown exception. Rethrowing.
ERROR      2008-04-23 11:36:21 [iaxxgenimp.cpp:731]
           showDialog()
FCO-00011 The step insertAdminDataInSecStore with step key |NW_Addin_CI|ind|ind|ind|ind|0|0|NW_CI_Instance|ind|ind|ind|ind|8|0|NW_CI_Instance_Configure_Java|ind|ind|ind|ind|4|0|insertAdminDataInSecStore was executed with status ERROR .
TRACE      [iaxxgenimp.cpp:719]
           showDialog()
There's any want in here can help us Please,
Thanks and Best Regards,
Chrisna

The clean way to Uninstall JAVA is through SAPINST.
Make user you drop only the JAVA Schema ID (SAPSR3DB)
If you want to uninstall manually, follow as mentioned below :
1. Stop the central services instance and all dialog instances of your SAP system:
a) Log on to the corresponding instance host as user <sapsid>adm.
b) Execute the following commands:
   To stop the central services instance:
             stopsap r3 <SCSinstanceName>
   To stop a dialog instance:
            stopsap r3 <DialogInstanceName>
2. Stop the J2EE Engine of the central instance:
a) Log on to your SAP system.
b) Call transaction SMICM.
c) Choose Administration J2EE Instance (local) Send Hard Shutdown
2. Drop the J2EE DB schema (the db schema for this one SAP SID) BE VERY CAREFUL, do not drop the DB schema for another existing system or
the ABAP schema.
a. Log on as user ora<dbsid>.
b. Start sqlplus and connect to the database. Enter:
sqlplus /nolog
c. SQLPLUS>connect / as sysdba
d. Enter the following command to delete the database objects of the database schema:
SQLPLUS> drop user SAP<SCHEMA_ID>DB cascade;
e. Enter the following command to get the file name of the corresponding data file in the file system:
SQLPLUS> select file_name from dba_data_files where \
tablespace_name = PSAP<SCHEMA_ID>DB;
f. Enter the following command to delete the tablespace of the database schema:
SQLPLUS> drop tablespace PSAP<SCHEMA_ID>DB including contents;
g. Exit sqlplus:
SQLPLUS> exit
3. Remove folder "data" at: /sapmnt/QO1/global/security/data
4. Remove folder "SDM" at: /usr/sap/<sid>/<Central instance>/SDM
5. Remove folder "j2ee" at: /usr/sap/<sid>/<Central instance>/j2ee
6. Revert CI instance profile to their original state (backup copies should exist) # they should be in the state before the start of the JavaAdd In
7. If lines beginning with the following parameters appear, delete these lines from the default profile, /usr/sap/<SAPSID>/SYS/profile/DEFAULT.PFL:
j2ee/dbname =
j2ee/dbtype =
j2ee/dbhost =
j2ee/dbadminurl =
j2ee/scs/host =
j2ee/scs/system =
j2ee/ms/port =
8. If lines beginning with the following parameters appear, delete these lines from the central instance pro?le and from all dialog instance pro?les,
/usr/sap/<SAPSID>/SYS/profile/<SAPSID>_<INSTANCE_NAME>_<host_name>:
exe/j2ee =
exe/jlaunch =
rdisp/j2ee_start_control =
rdisp/j2ee_start =
rdisp/j2ee_timeout =
rdisp/j2ee_libpath =
rdisp/frfc_fallback =
jstartup/trimming_properties =
jstartup/instance_properties =
jstartup/protocol =
jstartup/vm/home =
jstartup/max_caches =
jstartup/release =
j2ee/dbdriver =
9. Delete the central services instance
10. Restart ABAP and Install JAVA Add-in
Edited by: Shaji Jacob on Apr 27, 2008 11:46 AM

[SOLVED] [udev] invalid key/value pair in custom rule

Hey,
this simple rule in /etc/udev/rules.d/99-usb-backup.rules, which is used to automatically mount my encrypted backup disk when plugging in run a backup script after the backup disk has been mounted, is said to be invalid:
SUBSYSTEMS=="usb", ATTRS{idProduct}=="0470", ATTRS{serial}=="2080000048FD", ACTION=="add", ENV{SYSTEMD_WANTS}=="secbackup.service"
(The service file will mount the volume and start the backup script; mounting is done via udiskie.)
The following error pops up when booting the system:
systemd-udevd[225]: invalid key/value pair in file /etc/udev/rules.d/99-usb-backup.rules on line 1,starting at character 131 (':')
I don't see any colon (':') in my rule and the last closing quotation mark (") is the 130th character in this file...
This worked well before; I don't know when the error started to pop up. I use systemd 213-9.
Any hints?
Last edited by ball (2014-06-18 09:28:24)

ukhippo wrote:Shouldn't that last “==” be “+=”?
Well... I don't know. I've taken this snippet from jasonwryan's blog post. I guess it's correct...
ukhippo wrote:
If that's just a typo on your part, are there any non-printing characters? Use “od” to check:
od -c /etc/udev/rules.d/99-usb-backup.rules
Nothing suspicious:
0000000 S U B S Y S T E M S = = " u s b
0000020 " , A T T R S { i d P r o d u
0000040 c t } = = " 0 4 7 0 " , A T T
0000060 R S { s e r i a l } = = " 2 0 8
0000100 0 0 0 0 0 4 8 F D " , A C T I
0000120 O N = = " a d d " , E N V { S
0000140 Y S T E M D _ W A N T S } = = "
0000160 s e c b a c k u p . s e r v i c
0000200 e "
0000202

Application specific key-value pair in jndi.properties

Hello,
Can I specify my application specific key-value pair in jndi.properties?
I tried something like this
java.naming.factory.initial=.jndi.WLInitialContextFactory
java.naming.provider.url=t3://localhost:7001
myVar=myVal
When i tried looking up "myVar" from my client program, I got an error.
The other parameters like weblogic.jndi.WLInitialContextFactory are picked up.
Anyhelp will be appreciated
Vasim

Hello,
Can I specify my application specific key-value pair in jndi.properties?
I tried something like this
java.naming.factory.initial=.jndi.WLInitialContextFactory
java.naming.provider.url=t3://localhost:7001
myVar=myVal
When i tried looking up "myVar" from my client program, I got an error.
The other parameters like weblogic.jndi.WLInitialContextFactory are picked up.
Anyhelp will be appreciated
Vasim

Key value pair error

Hello
how can I fix this problem ?
SAPNW2004sJavaSP9_Trial\SAP_NetWeaver_2004s_SR_1
jdkversion 142_09 .
ERROR 2008-07-09 23:56:30
CJS-30051 Cannot insert a key value pair into the secure store fails; see output of log file SecureStoreInsert.log: SAP Secure Store in the File System - Copyright (c) 2003 SAP AG
ERROR 2008-07-09 23:56:30
FCO-00011 The step insertAdminDataInSecStore with step key |NW_Java_OneHost|ind|ind|ind|ind|0|0|NW_Onehost_System|ind|ind|ind|ind|1|0|NW_CI_Instance|ind|ind|ind|ind|11|0|NW_CI_Instance_Configure_Java|ind|ind|ind|ind|3|0|insertAdminDataInSecStore was executed with status ERROR .
Thanks
sas

Hi this the content of SecureStoreInsert .
com.sap.security.core.server.secstorefs.NoEncryptionException: Encryption or decryption is not possible because the full version of the SAP Java Crypto Toolkit was not found (iaik_jce.jar is required, iaik_jce_export.jar is not sufficient) or the JCE Jurisdiction Policy Files don't allow the use of the "PbeWithSHAAnd3_KeyTripleDES_CBC" algorithm.
at com.sap.security.core.server.secstorefs.SecStoreFS.openExistingStore(SecStoreFS.java:1975)
at com.sap.security.core.server.secstorefs.SecStoreFS.handleInsert(SecStoreFS.java:963)
at com.sap.security.core.server.secstorefs.SecStoreFS.main(SecStoreFS.java:1276)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.sap.engine.offline.OfflineToolStart.main(OfflineToolStart.java:81)
Caused by: java.lang.SecurityException: The provider IAIK may not be signed by a trusted party
at javax.crypto.SunJCE_b.a(DashoA12275)
at javax.crypto.Cipher.a(DashoA12275)
at javax.crypto.Cipher.getInstance(DashoA12275)
at com.sap.security.core.server.secstorefs.Crypt.<init>(Crypt.java:220)
at com.sap.security.core.server.secstorefs.SecStoreFS.<init>(SecStoreFS.java:1346)
at com.sap.security.core.server.secstorefs.SecStoreFS.handleInsert(SecStoreFS.java:954)
... 6 more

How can we create a look-up in Enterprise Gateway.. like key value pair..???

How can we create a look-up in Enterprise Gateway.. like key value pair..???

Hi,
You want to have a look at KPS, Key Property Store. Link: Key Property Stores
Cheers,
Stefan

A key/value pair with this key already exists in the store

Hi all,
In the installation of PI components on the AS ABAP+ AS JAVA with finalization of the Java Addin the iam facing this problem :
In short it mentioning that the " A key/value pair with this key already exists in the store.", Please see below for more information....:
CJSlibModule::writeWarning_impl()
Execution of the command "/opt/java1.4/bin/java -classpath
/oracle/stage/PIDtemp/sapinst_instdir/NW04S/LM/AS-JAVA/ADDIN/ORA/CENTRAL/CI/install/sharedli
b/launcher.jar -Xmx256m -d64 com.sap.engine.offline.OfflineToolStart
com.sap.security.core.server.secstorefs.SecStoreFS
/usr/sap/PID/SYS/global/security/lib/tools/iaik_jce.jar:/usr/sap/PID/SYS/global/security/lib
/tools/iaik_jsse.jar:/usr/sap/PID/SYS/global/security/lib/tools/iaik_smime.jar:/usr/sap/PID/
SYS/global/security/lib/tools/iaik_ssl.jar:/usr/sap/PID/SYS/global/security/lib/tools/w3c_ht
tp.jar:/oracle/stage/PIDtemp/sapinst_instdir/NW04S/LM/AS-JAVA/ADDIN/ORA/CENTRAL/CI/install/l
ib:/oracle/stage/PIDtemp/sapinst_instdir/NW04S/LM/AS-JAVA/ADDIN/ORA/CENTRAL/CI/install/share
dlib:/oracle/client/10x_64/instantclient/ojdbc14.jar insert -s PID -f
/usr/sap/PID/SYS/global/security/data/SecStore.properties -k
/usr/sap/PID/SYS/global/security/data/SecStore.key admin/host/PID tern" finished with return
code 2. Output:
SAP Secure Store in the File System - Copyright (c) 2003 SAP AG
A key/value pair with this key already exists in the store.
ERROR      2007-02-15 18:35:29
           CJSlibModule::writeError_impl()
CJS-30051 Cannot insert a key value pair into the secure store fails; see output of log
file SecureStoreInsert.log:
SAP Secure Store in the File System - Copyright (c) 2003 SAP AG
A key/value pair with this key already exists in the store..
ERROR      2007-02-15 18:35:29 [iaxxgenimp.cpp:731]
           showDialog()
FCO-00011 The step insertAdminDataInSecStore with step key
|NW_Addin_CI|ind|ind|ind|ind|0|0|NW_CI_Instance|ind|ind|ind|ind|8|0|NW_CI_Instance_Configure
_Java|ind|ind|ind|ind|4|0|insertAdminDataInSecStore was executed with status ERROR

Hi Kamalakar
I think this problem happens due to wrong content of SDMKIT.JAR - incorrect crypto SDA is deployed.I dont know the installation procedure you followed because normally this error wont come.
I would rather suggest a work around seeing your problem
<b>Edit the keydb.xml exchanging [ERROR] with [OK]</b>
Follow the above step and restart your installation.
Do not forget to reward points:

Multiple key-value pairs in JNLP file

Dear All,
I have a JNLP file with multiple key-value pairs :
<resources>
     <j2se version="1.4+"/>
     <jar href="lib/myFile.jar"/>
     <property name="url" value="URL/db"/>
     <property name="default" value="10"/>
     <property name="m1_query" value="URL1"/>
     <property name="m2_query" value="URL2"/>
     <property name="m3_query" value="URL3"/>
     <property name="p1_query" value="URL4"/>
     <property name="p2_query" value="URL5"/>
     <property name="p3_query" value="URL6"/>
     <property name="p4_query" value="URL7"/>
   </resources> I dont know what the key names are in the JNLP file so I cant use getProperty(keyname) directly. Is it possible to read all the key-value pairs in a HashMap and iterate through the list?
Or is there any other way of dealing with it?
Many thanks in advance.
Regards
Anuj

Hi Riem,
Thanks for your help ...
while waiting for a reply ... I managed to do sort out my problem.
                 Properties p = System.getProperties();
                 for (Enumeration enu = p.propertyNames() ; enu.hasMoreElements() ;) {
                   String key = (String)enu.nextElement();
                   Object value = p.getProperty(key);
                   if(!value.equals("")) {
                          keyValues.put(key, value);
                 }Thanks for your help.
Cheers
Anuj

Crypting url key/value pairs

on the web i have seen urls like this:
http://www.domain.com/shop?xyz=FHS767KJDF789SFhsf679Iizgboo67hoOOUGg688
I think, that's an url where the key/value pairs are cryted, so clear text the url above might look like this:
http://www.domain.com/shop?id=12&action=show&object=product&navigation=right
I guess that's done for security reasons and it seems to me to be a good way to make an url a little bit harder to understand.
So i would like to ask whether anyone uses this kind of url scrambling and which methode you use to scramble the url? Any tipps, tricks, feedbacks are welcome!
Tanks for your help.

Occasionally we create a signature from our query string and append that to the URL in order to check that the URL hasn't been modified. But we don't remove the original parameters so we can use the normal parameter parsing.
Michael

Retrieving random key-value pair

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