WLST script is throwing errors under for loop

I'm new to wlst and getting the below errros while running the script. the name variable within cd command does not replaced with right value and abort the error. I would appropriate if some can point me to right direction.
cat serverName2.py
connect('test','test123','t3://test-app-dev-a:12619')
domainRuntime()
svrs = adminHome.getMBeansByType('Server')
for s in svrs:
name = s.getName()
cd('/ServerRuntimes/'+'name')
ls()
disconnect()
java weblogic.WLST serverName2.py
getting the below errors
Location changed to domainRuntime tree. This is a read-only tree with DomainMBean as the root.
For more help, use help(domainRuntime)
No stack trace available.
Problem invoking WLST - Traceback (innermost last):
File "<iostream>", line 170, in cd
WLSTException: 'Error cding to the MBean'

You should remove quotes for name.
cat serverName2.py
connect('test','test123','t3://test-app-dev-a:12619')
domainRuntime()
svrs = adminHome.getMBeansByType('Server')
for s in svrs:
name = s.getName()
cd('/ServerRuntimes/'+ name )
ls()
disconnect()
Thanks,
Krishna.

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Logic error in for loop

I have a JSP form which list modules that student can take. Some of these modules have prerequisite and some do not.
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This is confusing for the user because they expect to do the process again and do not know that the first module has been register successfully.
Here is my code
private int enroll()throws SQLException,IOException
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How can i fix this problem ?

1. well first check whether all modlues can be registered..
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3. if all conditions are satisfied.
for (int i = 0; i < checkboxNames.length; i++) {
String moduleId = checkboxNames;
srsBean.enroll( studentId, moduleId );
}4. put the above code before
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Hi,
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Attachments:
Guided cal for loop.vi ‏27 KB

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Guided cal for loop.vi ‏28 KB

Statement error in for loop noobq

Hi
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jverd wrote:
sharkura wrote:
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I am using a for Loop now i encounter an error.
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Message was edited by:
jeneesh

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email id: [email protected]
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[Charles|http://www.reportex.co.uk/xc_waterfallchart.html]

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****************************the stack************************88
Your environment has been set.
CLASSPATH=E:\Oracle\Middleware\patch_wls1033\profiles\default\sys_manifest_class
path\weblogic_patch.jar;E:\Oracle\Middleware\patch_oepe1033\profiles\default\sys
manifestclasspath\weblogic_patch.jar;E:\Oracle\Middleware\patch_ocp353\profile
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weblogic_sp.jar;E:\Oracle\Middleware\wlserver_10.3\server\lib\weblogic.jar;E:\Or
acle\Middleware\modules\features\weblogic.server.modules_10.3.3.0.jar;E:\Oracle\
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trib_1.1.0.0_1-0b2/lib/ant-contrib.jar;;E:\Oracle\Middleware/Oracle_OSB1/lib/sb-
kernel-api.jar;E:\Oracle\Middleware/Oracle_OSB1/modules/com.bea.common.configfwk
_1.3.0.0.jar;E:\Oracle\Middleware/modules/com.bea.common.configfwk.wlinterop_10.
3.1.0
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Detected Java version: 1.6 in: E:\Oracle\Middleware\jrockit_160_17_R28.0.0-679\j
re
Detected OS: Windows XP
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dropping E:\Oracle\Middleware\patch_oepe1033\profiles\default\sys_manifest_class
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ebug=true -DfailOnError=true -DexecuteScriptBeforeFile=true -DpropertiesFile=c:/
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path E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-launcher.jar;E:\O
racle\Middleware\jrockit_160_17_R28.0.0-679\lib\tools.jar;E:\Oracle\Middleware\w
lserver_10.3\server\lib\weblogic.jar;E:\Oracle\Middleware\modules\features\weblo
gic.server.modules_10.3.3.0.jar;E:\Oracle\Middleware\wlserver_10.3\server\lib\we
bservices.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-all.jar;
E:\Oracle\Middleware\modules\net.sf.antcontrib_1.1.0.0_1-0b2\lib\ant-contrib.jar
;E:\Oracle\Middleware\Oracle_OSB1\lib\sb-kernel-api.jar;E:\Oracle\Middleware\Ora
cle_OSB1\modules\com.bea.common.configfwk_1.3.0.0.jar;E:\Oracle\Middleware\modul
es\org.apache.ant_1.7.1\lib\ant-antlr.jar;E:\Oracle\Middleware\modules\org.apach
e.ant_1.7.1\lib\ant-apache-bcel.jar;E:\Oracle\Middleware\modules\org.apache.ant_
1.7.1\lib\ant-apache-bsf.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\l
ib\ant-apache-log4j.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\an
t-apache-oro.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-apach
e-regexp.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-apache-re
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ging.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-commons-net.j
ar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-jai.jar;E:\Oracle\M
iddleware\modules\org.apache.ant_1.7.1\lib\ant-javamail.jar;E:\Oracle\Middleware
\modules\org.apache.ant_1.7.1\lib\ant-jdepend.jar;E:\Oracle\Middleware\modules\o
rg.apache.ant_1.7.1\lib\ant-jmf.jar;E:\Oracle\Middleware\modules\org.apache.ant_
1.7.1\lib\ant-jsch.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant
-junit.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-netrexx.jar
;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-nodeps.jar;E:\Oracle\
Middleware\modules\org.apache.ant_1.7.1\lib\ant-starteam.jar;E:\Oracle\Middlewar
e\modules\org.apache.ant_1.7.1\lib\ant-stylebook.jar;E:\Oracle\Middleware\module
s\org.apache.ant_1.7.1\lib\ant-swing.jar;E:\Oracle\Middleware\modules\org.apache
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dropping E:\Oracle\Middleware\patch_wls1033\profiles\default\sys_manifest_classp
ath\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_oepe1033\profiles\default\sys_manifest_class
path\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_ocp353\profiles\default\sys_manifest_classpa
th\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\wlserver_10.3\server\lib\weblogic_sp.jar from path
as it doesn't exist
dropping E:\Oracle\Middleware\modules\com.bea.common.configfwk.wlinterop_10.3.1.
0 from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_wls1033\profiles\default\sys_manifest_classp
ath\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_oepe1033\profiles\default\sys_manifest_class
path\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_ocp353\profiles\default\sys_manifest_classpa
th\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\wlserver_10.3\server\lib\weblogic_sp.jar from path
as it doesn't exist
dropping E:\Oracle\Middleware\modules\com.bea.common.configfwk.wlinterop_10.3.1.
0 from path as it doesn't exist
[wlst] Executing 'E:\Oracle\Middleware\jrockit_160_17_R28.0.0-679\jre\bin\j
ava.exe' with arguments:
[wlst] '-Ddebug=true'
[wlst] '-DfailOnError=true'
[wlst] '-DexecuteScriptBeforeFile=true'
[wlst] '-DpropertiesFile=c:/osb/build/dev/import.properties'
[wlst] '-DfileName=c:/osb/build/scripts/import.py'
[wlst] '-classpath'
[wlst] 'E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-launcher.
jar;E:\Oracle\Middleware\jrockit_160_17_R28.0.0-679\lib\tools.jar;E:\Oracle\Midd
leware\wlserver_10.3\server\lib\weblogic.jar;E:\Oracle\Middleware\modules\featur
es\weblogic.server.modules_10.3.3.0.jar;E:\Oracle\Middleware\wlserver_10.3\serve
r\lib\webservices.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-
all.jar;E:\Oracle\Middleware\modules\net.sf.antcontrib_1.1.0.0_1-0b2\lib\ant-con
trib.jar;E:\Oracle\Middleware\Oracle_OSB1\lib\sb-kernel-api.jar;E:\Oracle\Middle
ware\Oracle_OSB1\modules\com.bea.common.configfwk_1.3.0.0.jar;E:\Oracle\Middlewa
re\modules\org.apache.ant_1.7.1\lib\ant-antlr.jar;E:\Oracle\Middleware\modules\o
rg.apache.ant_1.7.1\lib\ant-apache-bcel.jar;E:\Oracle\Middleware\modules\org.apa
che.ant_1.7.1\lib\ant-apache-bsf.jar;E:\Oracle\Middleware\modules\org.apache.ant
_1.7.1\lib\ant-apache-log4j.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.
1\lib\ant-apache-oro.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\a
nt-apache-regexp.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-a
pache-resolver.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-com
mons-logging.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-commo
ns-net.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-jai.jar;E:\
Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-javamail.jar;E:\Oracle\Mi
ddleware\modules\org.apache.ant_1.7.1\lib\ant-jdepend.jar;E:\Oracle\Middleware\m
odules\org.apache.ant_1.7.1\lib\ant-jmf.jar;E:\Oracle\Middleware\modules\org.apa
che.ant_1.7.1\lib\ant-jsch.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1
\lib\ant-junit.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-net
rexx.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-nodeps.jar;E:
\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant-starteam.jar;E:\Oracle\M
iddleware\modules\org.apache.ant_1.7.1\lib\ant-stylebook.jar;E:\Oracle\Middlewar
e\modules\org.apache.ant_1.7.1\lib\ant-swing.jar;E:\Oracle\Middleware\modules\or
g.apache.ant_1.7.1\lib\ant-testutil.jar;E:\Oracle\Middleware\modules\org.apache.
ant_1.7.1\lib\ant-trax.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib
\ant-weblogic.jar;E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\ant.jar;
E:\Oracle\Middleware\modules\org.apache.ant_1.7.1\lib\xercesImpl.jar;E:\Oracle\M
iddleware\modules\org.apache.ant_1.7.1\lib\xml-apis.jar'
[wlst] 'weblogic.management.scripting.WLSTInterpreterInvoker'
[wlst]
[wlst] The ' characters around the executable and arguments are
[wlst] not part of the command.
dropping E:\Oracle\Middleware\patch_wls1033\profiles\default\sys_manifest_classp
ath\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_oepe1033\profiles\default\sys_manifest_class
path\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_ocp353\profiles\default\sys_manifest_classpa
th\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\wlserver_10.3\server\lib\weblogic_sp.jar from path
as it doesn't exist
dropping E:\Oracle\Middleware\modules\com.bea.common.configfwk.wlinterop_10.3.1.
0 from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_wls1033\profiles\default\sys_manifest_classp
ath\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_oepe1033\profiles\default\sys_manifest_class
path\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\patch_ocp353\profiles\default\sys_manifest_classpa
th\weblogic_patch.jar from path as it doesn't exist
dropping E:\Oracle\Middleware\wlserver_10.3\server\lib\weblogic_sp.jar from path
as it doesn't exist
dropping E:\Oracle\Middleware\modules\com.bea.common.configfwk.wlinterop_10.3.1.
0 from path as it doesn't exist
[wlst] Using input " "
[wlst] <WLSTTask> Loaded and set the properties from c:/osb/build/dev/impor
t.properties
[wlst] <WLSTTask> sys.argv is ['c:/osb/build/scripts/import.py']
[wlst] Connecting to server: t3://localhost:7001
[wlst] Connecting to t3://localhost:7001 with userid weblogic ...
[wlst] Successfully connected to Admin Server 'AdminServer' that belongs to
domain 'base_domain'.
[wlst]
[wlst] Warning: An insecure protocol was used to connect to the
[wlst] server. To ensure on-the-wire security, the SSL port or
[wlst] Admin port should be used instead.
[wlst]
[wlst] Location changed to domainRuntime tree. This is a read-only tree wit
h DomainMBean as the root.
[wlst] For more help, use help(domainRuntime)
[wlst]
[wlst] Starting import of: c:/osb/configuration/sbconfig.jar on ALSB Admin
Server: t3://localhost:7001
[wlst] Read import jar file
[wlst] Import file read successfully c:/osb/configuration/sbconfig.jar
[wlst] Creating unique session name
[wlst] Created session name : ALSBImportScript-1279101189649
[wlst] Creating SessionMBean
[wlst] Unexpected error: java.lang.RuntimeException
[wlst] Unexpected error: java.lang.RuntimeException
[wlst] No stack trace available.
[wlst] Traceback (innermost last):
[wlst] File "c:\osb\build\scripts\import.py", line 179, in ?
[wlst] File "c:\osb\build\scripts\import.py", line 47, in importToALSBDom
ain
[wlst] File "c:\osb\build\scripts\import.py", line 167, in getSessionMBea
n
[wlst] File "<iostream>", line 1162, in findService
[wlst] at weblogic.management.jmx.MBeanServerInvocationHandler.newProxy
Instance(MBeanServerInvocationHandler.java:621)
[wlst] at weblogic.management.jmx.MBeanServerInvocationHandler.invoke(M
BeanServerInvocationHandler.java:418)
[wlst] at $Proxy11.findService(Unknown Source)
[wlst] at weblogic.management.scripting.WLScriptContext.findService(WLS
criptContext.java:209)
[wlst] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[wlst] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[wlst] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[wlst] at java.lang.reflect.Method.invoke(Method.java:597)
[wlst]
[wlst] java.lang.RuntimeException: java.lang.RuntimeException: java.lang.Cl
assNotFoundException: com.bea.wli.sb.management.configuration.DelegatedSessionMa
nagementMBean
[wlst]
[wlst] Exception in thread "Main Thread" java.lang.IllegalStateException: T
raceback (innermost last):
[wlst] File "c:\osb\build\scripts\import.py", line 179, in ?
[wlst] File "c:\osb\build\scripts\import.py", line 47, in importToALSBDom
ain
[wlst] File "c:\osb\build\scripts\import.py", line 167, in getSessionMBea
n
[wlst] File "<iostream>", line 1162, in findService
[wlst] at weblogic.management.jmx.MBeanServerInvocationHandler.newProxy
Instance(MBeanServerInvocationHandler.java:621)
[wlst] at weblogic.management.jmx.MBeanServerInvocationHandler.invoke(M
BeanServerInvocationHandler.java:418)
[wlst] at $Proxy11.findService(Unknown Source)
[wlst] at weblogic.management.scripting.WLScriptContext.findService(WLS
criptContext.java:209)
[wlst] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[wlst] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[wlst] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[wlst] at java.lang.reflect.Method.invoke(Method.java:597)
[wlst]
[wlst] java.lang.RuntimeException: java.lang.RuntimeException: java.lang.Cl
assNotFoundException: com.bea.wli.sb.management.configuration.DelegatedSessionMa
nagementMBean
[wlst]
[wlst] at weblogic.management.scripting.WLSTInterpreterInvoker.printErr
or(WLSTInterpreterInvoker.java:110)
[wlst] at weblogic.management.scripting.WLSTInterpreterInvoker.executeP
yScript(WLSTInterpreterInvoker.java:103)
[wlst] at weblogic.management.scripting.WLSTInterpreterInvoker.main(WLS
TInterpreterInvoker.java:27)
BUILD FAILED
C:\osb\build\scripts\build.xml:13: Java returned: 1
at org.apache.tools.ant.taskdefs.Java.execute(Java.java:108)
at weblogic.ant.taskdefs.management.WLSTTask.execute(WLSTTask.java:115)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
a:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
at org.apache.tools.ant.Project.executeTarget(Project.java:1307)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExe
cutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1191)
at org.apache.tools.ant.Main.runBuild(Main.java:758)
at org.apache.tools.ant.Main.startAnt(Main.java:218)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Total time: 16 seconds
C:\osb\build\dev>^A

Hi,
I tried debugging it and i am still getting the same error. I used the script provided byoracle and the script which is given here.
Below is the error i am getting :
[java] ImportError: cannot import name SessionManagementMBean
I am getting an error at
def getSessionManagementMBean(sessionName):
SessionMBean = findService("SessionManagement", "com.bea.wli.sb.management.configuration.SessionManagementMBean")
SessionMBean.createSession(sessionName)
return SessionMBean
Its able to create a unique session , after that for creating session name its throwing error.
C:\Development\Build\scripts\build.xml:31: Java returned: 1
at org.apache.tools.ant.taskdefs.Java.execute(Java.java:108)
at weblogic.ant.taskdefs.management.WLSTTask.execute(WLSTTask.java:115)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
a:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExe
cutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
at org.apache.tools.ant.Main.runBuild(Main.java:758)
at org.apache.tools.ant.Main.startAnt(Main.java:217)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Any help on this??

Problem cycling through elements of an array using a for loop ~ error 200609?

Hi,
I'm outputting a 194-element array from a MATLAB script node into a for loop where the array is indexed then converted into a 8-bit boolean pattern which I'm trying to output using DAQ Assistant. I'm using LabVIEW 8.2 and a PCI 6133 DAQ using a counter(Ctr0InternalOutput) to time the output. The first element of the array goes through the loop perfectly however never makes it's way back through and throws error 200609: Generation cannot be started because the slescted buffer size is too small. Increase the buffer size. After probing the line before DAQ Assistant I confirmed only one element makes it through the loop and then throws this error? I've trying doing the same things with lower lowel DAQmx vi's using a DAQmx configure output buffer vi to override this buffer size problem, but still get the same result(not the error but same data flow problem)? Anybody know what's going on? I've included the vi's I've been working with. Thanks!
Millie
Attachments:
Untitled 22.vi ‏228 KB
Untitled 34.vi ‏180 KB

Hi,
I'm outputting a 194-element array from a MATLAB script node into a for loop where the array is indexed then converted into a 8-bit boolean pattern which I'm trying to output using DAQ Assistant. I'm using LabVIEW 8.2 and a PCI 6133 DAQ using a counter(Ctr0InternalOutput) to time the output. The first element of the array goes through the loop perfectly however never makes it's way back through and throws error 200609: Generation cannot be started because the slescted buffer size is too small. Increase the buffer size. After probing the line before DAQ Assistant I confirmed only one element makes it through the loop and then throws this error? I've trying doing the same things with lower lowel DAQmx vi's using a DAQmx configure output buffer vi to override this buffer size problem, but still get the same result(not the error but same data flow problem)? Anybody know what's going on? I've included the vi's I've been working with. Thanks!
Millie
Attachments:
Untitled 22.vi ‏228 KB
Untitled 34.vi ‏180 KB

For loop issue and error exception

I am finishing up a program and having a few issues....I can send my instructions so it may seem easier to what I want...the first issue deals with the for loop for the 2nd for loop in the actionperformed when i click on go it does not change any of the boxes to yellow
Also when I check for errors it does not check with the code I have...I know it says on the instructions to use try\catch but I am just going to use if statements because I am not very familar with the try\catch and will accept some points takin off...any help with this by tonight id really appreciate it as long as noone is too busy...Thanks
instructions:
This will incorporate arrays, for loops, and Frames all in one.
Create a panel containing an array of 16 TextArea components that change color to correspond with the start, stop, and step values entered by the user. Perform the following tasks to create the Checkerboard Array application shown below. When the user enters the start, stop, and step fields and then clicks the Go button, the results are also shown below.
1. Call your application Checkerboard.java
2. You will need the following variables� declare them as private:
a. 16 component TextArea array
b. a Panel to hold the array
c. 3 TextField components with length of 10
d. 3 int variables to receive the start, stop, and step values
e. 3 Labels to display the words Start, Stop, and Step
f. a Go button
g. a Clear button
h. a Panel to hold the 3 TextFields, 3 Labels, and the 2 Buttons
3. Create a constructor method to:
a. construct each of the components declared above and initializes the start, stop, and step variables to zero (when constructing the TextArea components, use the following parameters: null, 3, 5, 3)
b. set the Frame layout to BorderLayout
c. write a for loop to loop the array and set each of the 16 TextArea components in that array so they cannot be edited. In the same loop, set each of the TextArea components text to be 1 more than the index number. Also in this same loop, set the background of each of the TextArea components to white.
d. set the Panel for the TextArea components to GridLayout with 4 rows, 4 columns, and both gaps set to 10
e. set the Panel for the TextFields, Labels, and button to GridLayout with 3 rows, 3 columns, and both gaps set to 5
f. add the components to their respective Panels
g. make the buttons clickable
h. place the Panels in the Frame� put one in the NORTH and one in the CENTER
i. Enter the addWindowListener() method described in the chapter� this is the method that overrides the click of the X so it terminates the application
4. In your actionPerformed() method:
a. convert the data in your TextFields to int and store them in the variables declared above
b. write a loop that goes through the array setting every background color to blue
c. write another loop that�s based on the user inputs. Each time the loop is executed, change the background color to yellow (so� start your loop at the user�s specified starting condition. You�ll stop at the user�s specified stopping value. You�ll change the fields to yellow every time you increment your loop based on the step value. REMEMBER: Your displayed values are 1 off from your index numbers!!)
5. Write a main() method that creates an instance of the Checkerboard Frame.
a. set the bounds for the frame to 50, 100, 300, 400
b. set the title bar caption to Checkerboard Array
c. use the setVisible() method to display the application Frame during execution
6. After you get all of this complete, include error handling to make sure:
a. the values entered in the TextFields are valid integers
b. the start value is greater than or equal to 1 and less than or equal to 16
c. the stop value is greater than or equal to 1 and less than or equal to 16
d. the step value is greater than or equal to 1 and less than or equal to 16
e. the start condition is less than the stop condition
f. when an error occurs, give an error message in a dialog box that is specific to their error, remove the text from the invalid field, and put the cursor in that field so the user has a chance to re-enter� this can be accomplished by using multiple try/catch statements
g. only change the colors if the numbers are valid
7. Create a clear button as seen in the example below. This button should:
a. clear out all 3 TextFields
b. change the background color of all TextArea array elements to white
c. put the cursor in the start field
8. Document!!
my code is:
//packages to import
import javax.swing.JOptionPane;
import java.awt.*;
import java.awt.event.*;
public class Checkerboard extends Frame implements ActionListener
 private Panel topPanel;
 private TextArea topDisplay[];
 private Panel bottomPanel;
 private TextField startField = new TextField(10);
 private TextField stopField = new TextField(10);
 private TextField stepField = new TextField(10);
 private Label startLabel = new Label ("Start");
 private Label stopLabel = new Label ("Stop");
 private Label stepLabel = new Label ("Step");
 private Button goButton;
 private Button clearButton;
 private boolean clearText;
 private boolean first;
 private int start;
 private int stop;
 private int step;
 //constructor methods
 public Checkerboard()
 //construct components and initialize beginning values
 topPanel = new Panel();
 topDisplay = new TextArea[16];
 goButton = new Button("Go");
 clearButton = new Button("Clear");
 first = true;
 bottomPanel = new Panel();
 int start = 0;
 int stop = 0;
 int step = 0;
 bottomPanel.add(startField);
 bottomPanel.add(stopField);
 bottomPanel.add(stepField);
 bottomPanel.add(startLabel);
 bottomPanel.add(stopLabel);
 bottomPanel.add(stepLabel);
 bottomPanel.add(goButton);
 goButton.addActionListener(this);
 bottomPanel.add(clearButton);
 clearButton.addActionListener(this);
 clearText = true;
 //set layouts for the Frame and Panels
 setLayout(new BorderLayout());
 topPanel.setLayout(new GridLayout(4, 4, 10, 10));
 bottomPanel.setLayout(new GridLayout(3, 3, 5, 5));
 //construct the Display
 for(int i = 0; i <= 15; i++)
 topDisplay[i] = new TextArea(null, 3, 5, 3);
 topDisplay.setText(String.valueOf(i+1));
 topDisplay[i].setEditable(false);
 topPanel.add(topDisplay[i]);
 //add components to frame
 add(topPanel, BorderLayout.NORTH);
 add(bottomPanel, BorderLayout.CENTER);
 //allow the x to close the application
 addWindowListener(new WindowAdapter()
 public void windowClosing(WindowEvent e)
 System.exit(0);
 } //end window adapter
 public static void main(String args[])
 Checkerboard f = new Checkerboard();
 f.setTitle("Checkerboard Array");
 f.setBounds(50, 100, 300, 400);
 f.setLocationRelativeTo(null);
 f.setVisible(true);
 } //end main
 public void actionPerformed(ActionEvent e)
 //test go
 String arg = e.getActionCommand();
 //go button was clicked
 if(arg.equals("Go"))
 //convert data in TextField to int
 int start = Integer.parseInt(startField.getText());
 int stop = Integer.parseInt(stopField.getText());
 int step = Integer.parseInt(stepField.getText());
 if((start <= 1) && (start > 16))
 JOptionPane.showMessageDialog(null, "You must enter start between 1 and 16", "Error", JOptionPane.ERROR_MESSAGE);
 startField.setText(" ");
 startField.requestFocus();
 if ((stop < 1) && (stop > 16))
 JOptionPane.showMessageDialog(null, "You must enter stop between 1 and 16", "Error", JOptionPane.ERROR_MESSAGE);
 stopField.setText(" ");
 stopField.requestFocus();
 if ((step < 1) && (step > 16))
 JOptionPane.showMessageDialog(null, "You must enter step between 1 and 16", "Error", JOptionPane.ERROR_MESSAGE);
 stepField.setText(" ");
 stepField.requestFocus();
 if (start < stop)
 JOptionPane.showMessageDialog(null, "Stop cannot be larger than start", "Error", JOptionPane.ERROR_MESSAGE);
 startField.setText(" ");
 stopField.setText(" ");
 stepField.setText(" ");
 startField.requestFocus();
 for(int i = 0; i <=16; i++)
 topDisplay[i].setBackground(Color.blue);
 for(int i = start; i <= stop; step++)
 topDisplay[i].setBackground(Color.yellow);
 } //end the if go
 //clear button was clicked
 if(arg.equals("Clear"))
 clearText = true;
 startField.setText("");
 stopField.setText("");
 stepField.setText("");
 first = true;
 setBackground(Color.white);
 startField.requestFocus();
 } //end the if clear
 }//end action listener
}//end class

got the yellow boxes to come up but just one box.....so is there something wrong with my yellow set background because I am not seeing any more errors
//packages to import
import javax.swing.JOptionPane;
import java.awt.*;
import java.awt.event.*;
public class Checkerboard extends Frame implements ActionListener
 private Panel topPanel;
 private TextArea topDisplay[];
 private Panel bottomPanel;
 private TextField startField = new TextField(10);
 private TextField stopField = new TextField(10);
 private TextField stepField = new TextField(10);
 private Label startLabel = new Label ("Start");
 private Label stopLabel = new Label ("Stop");
 private Label stepLabel = new Label ("Step");
 private Button goButton;
 private Button clearButton;
 private boolean clearText;
 private boolean first;
 private int start;
 private int stop;
 private int step;
 //constructor methods
 public Checkerboard()
 //construct components and initialize beginning values
 topPanel = new Panel();
 topDisplay = new TextArea[16];
 goButton = new Button("Go");
 clearButton = new Button("Clear");
 first = true;
 bottomPanel = new Panel();
 int start = 0;
 int stop = 0;
 int step = 0;
 bottomPanel.add(startField);
 bottomPanel.add(stopField);
 bottomPanel.add(stepField);
 bottomPanel.add(startLabel);
 bottomPanel.add(stopLabel);
 bottomPanel.add(stepLabel);
 bottomPanel.add(goButton);
 goButton.addActionListener(this);
 bottomPanel.add(clearButton);
 clearButton.addActionListener(this);
 clearText = true;
 //set layouts for the Frame and Panels
 setLayout(new BorderLayout());
 topPanel.setLayout(new GridLayout(4, 4, 10, 10));
 bottomPanel.setLayout(new GridLayout(3, 3, 5, 5));
 //construct the Display
 for(int i = 0; i <= 15; i++)
 topDisplay[i] = new TextArea(null, 3, 5, 3);
 topDisplay.setText(String.valueOf(i+1));
 topDisplay[i].setEditable(false);
 topPanel.add(topDisplay[i]);
 //add components to frame
 add(topPanel, BorderLayout.NORTH);
 add(bottomPanel, BorderLayout.CENTER);
 //allow the x to close the application
 addWindowListener(new WindowAdapter()
 public void windowClosing(WindowEvent e)
 System.exit(0);
 } //end window adapter
 public static void main(String args[])
 Checkerboard f = new Checkerboard();
 f.setTitle("Checkerboard Array");
 f.setBounds(50, 100, 300, 400);
 f.setLocationRelativeTo(null);
 f.setVisible(true);
 } //end main
 public void actionPerformed(ActionEvent e)
 boolean done = false;
 //test go
 String arg = e.getActionCommand();
 //go button was clicked
 if(arg.equals("Go"))
 //convert data in TextField to int
 int start = Integer.parseInt(startField.getText());
 int stop = Integer.parseInt(stopField.getText());
 int step = Integer.parseInt(stepField.getText());
 while(!done)
 try
 if((start <= 1) && (start > 16)) throw new NumberFormatException();
 else done = true;
 } //end try
 catch (NumberFormatException f)
 JOptionPane.showMessageDialog(null, "You must enter start between 1 and 16", "Error", JOptionPane.ERROR_MESSAGE);
 startField.setText(" ");
 startField.requestFocus();
 } //end catch
 try
 if ((stop < 1) && (stop > 16)) throw new NumberFormatException();
 else done = true;
 } //end try
 catch (NumberFormatException f)
 JOptionPane.showMessageDialog(null, "You must enter stop between 1 and 16", "Error", JOptionPane.ERROR_MESSAGE);
 stopField.setText(" ");
 stopField.requestFocus();
 } //end catch
 try
 if ((step < 1) && (step > 16)) throw new NumberFormatException();
 else done = true;
 } //end try
 catch (NumberFormatException f)
 JOptionPane.showMessageDialog(null, "You must enter step between 1 and 16", "Error", JOptionPane.ERROR_MESSAGE);
 stepField.setText(" ");
 stepField.requestFocus();
 } //end catch
 try
 if (start > stop) throw new NumberFormatException();
 else done = true;
 } //end try
 catch (NumberFormatException f)
 JOptionPane.showMessageDialog(null, "Stop cannot be larger than start", "Error", JOptionPane.ERROR_MESSAGE);
 startField.setText(" ");
 stopField.setText(" ");
 stepField.setText(" ");
 startField.requestFocus();
 } //end catch
 } //end while
 for(int i = 0; i <=15; i++)
 topDisplay[i].setBackground(Color.blue);
 for(int i = start; i <= stop; step++)
 topDisplay[i].setBackground(Color.yellow);
 } //end the if go
 //clear button was clicked
 if(arg.equals("Clear"))
 clearText = true;
 startField.setText("");
 stopField.setText("");
 stepField.setText("");
 first = true;
 setBackground(Color.white);
 startField.requestFocus();
 } //end the if clear
 }//end action listener
}//end class

WLST script is throwing errors under for loop

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