Getting Crashed

[abdulkh...@gmail.com]

learning resource tab :

1.Click on Courses link from left margin

2.Click on setting symbol i.e "Columns.."  from the right top corner of the table.

3.Uncheck Begin End (TimeStamp ) and two or more columns click on save.

4.Log Out and log in again with same User

Same but select all fields and click on save

Issue: The page is getting crashed. Error mentioned below in Begin date, issue with date could not initialize proxy - no Session,org.hibernate.LazyInitializationException

 

logmsg:exception while rendering component 'table' (org.olat.core.gui.components.table.Table)

listener:[org.olat.core.gui.components.table.TableController [cListener:org.olat.repository.controllers.RepositorySearchController, ]]
Message of exception: could not initialize proxy - no Session
message:exception while rendering component 'table' (org.olat.core.gui.components.table.Table) listener:[org.olat.core.gui.components.table.TableController [cListener:org.olat.repository.controllers.RepositorySearchController, ]]
Message of exception: could not initialize proxy - no Session,org.olat.core.logging.OLATRuntimeException

 

1. cause:

message:could not initialize proxy - no Session,org.hibernate.LazyInitializationException

at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:164)
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:285)
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:185)
at org.olat.repository.model.RepositoryEntryLifecycle_$$_jvstad4_1.getValidFrom(RepositoryEntryLifecycle_$$_jvstad4_1.java)
at org.olat.repository.RepositoryTableModel.getValueAt(RepositoryTableModel.java:381)
at org.olat.core.gui.components.table.DefaultColumnDescriptor.getModelData(DefaultColumnDescriptor.java:121)
at org.olat.core.gui.components.table.CustomRenderColumnDescriptor.renderValue(CustomRenderColumnDescriptor.java:59)
at org.olat.core.gui.components.table.TableRenderer.appendSingleDataRow(TableRenderer.java:305)
at org.olat.core.gui.components.table.TableRenderer.appendDataRows(TableRenderer.java:265)
at org.olat.core.gui.components.table.TableRenderer.render(TableRenderer.java:119)

 

 

case

//getting error on this line.

lifecycleStart: return re.getLifecycle() == null ? null : re.getLifecycle().getValidFrom();

case lifecycleEnd: return re.getLifecycle() == null ? null : re.getLifecycle().getValidTo();

Please let us know on this for fixing the code. what changes needs to be done.

 

[Florian Gnägi]

Hi

what version to you use? 

Cheers

Florian

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[abdulkh...@gmail.com]

Hi Florian,

 

It's OLAT 9.3 and also i had checked other browsers like mozilla, chrome and safari , some times it work and sometimes it crash ... and in I.E 9 it always give the same error.

Please let me know what exactly we need to do for code fixing....

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<d

...

[Florian Gnägi]

Hi 

Please update to the latest 9.4.3 release, I can not reproduce this issue on the 9.4. The 9.3 release series is outdated and not maintained anymore. If you insist on staying on 9.3 you have to compare the code between the two releases yourself. 

Note that in OpenOLAT 10 the “learning resources” tab does not exist anymore, it has been replaced by a courses site for the learners and an authoring site for the authors. 

Cheers

Florian

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