# Opening Cloud Gantt Documents; Fails to open and Java Error

**URL:** <https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445>\
**Category:** GanttProject Cloud Support\
**Created:** [October 28, 2026, 6:53pm UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445 "2026-10-28T18:53:47Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Brando](https://help.ganttproject.biz/letter_avatar_proxy/v4/letter/b/bcef8e/32.png) [@Brando](https://help.ganttproject.biz/u/Brando)\
**Post date:** [October 28, 2026, 6:53pm UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445/1 "2026-10-28T18:53:47Z")

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When opening a file get a General error “java.lang.RuntimeException object arlready exists: taskviewforcomputedcolumns” and not certain is causing issue or resolution is.

 ![85c24a8b-da45-4a36-9d01-bc648d574437](https://help.ganttproject.biz/uploads/default/original/2X/a/a117aa5594bd865c8df3530e72da93c2c363597a.png)

Long Form of the error box below.

Something went wrong  
Failed to init the database General error: “java.lang.RuntimeException: object already exists: taskviewforcomputedcolumns”; SQL statement: create table if not exists Task ( uid varchar not null, num integer not null, name varchar not null, color varchar null, shape varchar null, is\_milestone boolean not null, is\_project\_task boolean not null, start\_date date not null, duration integer not null, completion integer null, earliest\_start\_date date null, priority varchar not null, web\_link varchar null, cost\_manual\_value numeric(100000, 2) null, is\_cost\_calculated boolean null, notes varchar null, primary key (uid) ) [50000-214] object already exists: taskviewforcomputedcolumns

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**Author:** ![DmitryBarashev](https://help.ganttproject.biz/user_avatar/help.ganttproject.biz/dmitrybarashev/32/406_2.png) [@DmitryBarashev](https://help.ganttproject.biz/u/DmitryBarashev)\
**Post date:** [October 29, 2026, 12:16am UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445/2 "2026-10-29T00:16:48Z")

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Can you please post the full log contents (Help \> View log) and a project file that you’re trying to open?

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<div class="post-metadata">

**Author:** ![Brando](https://help.ganttproject.biz/letter_avatar_proxy/v4/letter/b/bcef8e/32.png) [@Brando](https://help.ganttproject.biz/u/Brando)\
**Post date:** [October 29, 2026, 1:29pm UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445/3 "2026-10-29T13:29:27Z")

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It happens with any file I tried to open in the cloud and even tested with one I was working on locally and saved to the cloud. It would not open after doing that in the new cloud location.

C:\Users\ErikChristian\ganttproject.log

GanttProject 3.3.3322  
Settings file:  
location: C:\Users\ErikChristian.ganttproject  
size:7307  
is readable: true  
java.class.path: eclipsito.jar;C:\Program Files (x86)\GanttProject-3.3;C:\Program Files (x86)\GanttProject-3.3\eclipsito.jar;C:\Program Files (x86)\GanttProject-3.3\lib\slf4j-api-2.0.4.jar;C:\Program Files (x86)\GanttProject-3.3\lib\slf4j-jdk14-2.0.4.jar  
java.home: C:\Program Files (x86)\GanttProject-3.3\runtime  
java.ext.dirs: null  
java.io.tmpdir: C:\Users\ERIKCH~1\AppData\Local\Temp  
java.runtime.version: 17.0.14+10-LTS  
java.vendor: BellSoft  
java.vm.name: OpenJDK 64-Bit Server VM  
java.vm.vendor: BellSoft  
java.vm.version: 17.0.14+10-LTS  
os.arch: amd64  
os.name: Windows 11  
os.version: 10.0  
sun.java.command: com.bardsoftware.eclipsito.Launch --verbosity 1 --version-dirs plugins;~/.ganttproject.d/updates --app net.sourceforge.ganttproject.GanttProject  
user.country: US  
user.dir: C:\Program Files (x86)\GanttProject-3.3  
user.home: C:\Users\ErikChristian  
user.language: en  
user.timezone: America/New\_York

[2026-10-29 13:26:09] [INFO][App.Dirs] Cache directory=C:\Users\ErikChristian\AppData\Local\BarD Software\GanttProject\Cache\3.3 was set using AppDirs library  
[2026-10-29 13:26:34] [WARN][net.sourceforge.ganttproject] Failed to init the database  
net.sourceforge.ganttproject.storage.ProjectDatabaseException: Failed to init the database  
at net.sourceforge.ganttproject.storage.SqlProjectDatabaseImpl.runScript(SqlProjectDatabaseImpl.kt:174)  
at net.sourceforge.ganttproject.storage.SqlProjectDatabaseImpl.init(SqlProjectDatabaseImpl.kt:163)  
at net.sourceforge.ganttproject.storage.LazyProjectDatabaseProxy.getDatabase(LazyProjectDatabaseProxy.kt:44)  
at net.sourceforge.ganttproject.storage.LazyProjectDatabaseProxy.mapTasks(LazyProjectDatabaseProxy.kt:88)  
at biz.ganttproject.customproperty.CalculatedPropertyUpdater.update(CalculatedPropertyUpdater.kt:39)  
at net.sourceforge.ganttproject.GanttProject$3.lambda$projectOpened$0(GanttProject.java:334)  
at biz.ganttproject.app.TwoPhaseBarrierImpl.tick(Barriers.kt:103)  
at biz.ganttproject.app.TwoPhaseBarrierImpl.access$tick(Barriers.kt:74)  
at biz.ganttproject.app.TwoPhaseBarrierImpl$register$1.invoke(Barriers.kt:92)  
at biz.ganttproject.app.TwoPhaseBarrierImpl$register$1.invoke(Barriers.kt:94)  
at biz.ganttproject.ganttview.TaskTable.reload$lambda$48(TaskTable.kt:742)  
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(Unknown Source)  
at java.base/java.security.AccessController.doPrivileged(Unknown Source)  
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(Unknown Source)  
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)  
at javafx.graphics/com.sun.glass.ui.win.WinApplication.\_runLoop(Native Method)  
at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(Unknown Source)  
at java.base/java.lang.Thread.run(Unknown Source)  
Caused by: org.h2.jdbc.JdbcSQLNonTransientException: General error: “java.lang.RuntimeException: object already exists: taskviewforcomputedcolumns”; SQL statement:  
create table if not exists Task (  
uid varchar not null,  
num integer not null,  
name varchar not null,  
color varchar null,  
shape varchar null,  
is\_milestone boolean not null,  
is\_project\_task boolean not null,  
start\_date date not null,  
duration integer not null,  
completion integer null,  
earliest\_start\_date date null,  
priority varchar not null,  
web\_link varchar null,  
cost\_manual\_value numeric(100000, 2) null,  
is\_cost\_calculated boolean null,  
notes varchar null,

```auto
primary key (uid)

```

) [50000-214]  
at org.h2.message.DbException.getJdbcSQLException(DbException.java:554)  
at org.h2.message.DbException.getJdbcSQLException(DbException.java:477)  
at org.h2.message.DbException.get(DbException.java:212)  
at org.h2.message.DbException.convert(DbException.java:395)  
at org.h2.command.Command.executeUpdate(Command.java:264)  
at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:252)  
at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:223)  
at net.sourceforge.ganttproject.storage.SqlProjectDatabaseImpl.runScript(SqlProjectDatabaseImpl.kt:172)  
… 17 more  
Caused by: java.lang.RuntimeException: object already exists: taskviewforcomputedcolumns  
at org.h2.message.DbException.getInternalError(DbException.java:343)  
at org.h2.schema.Schema.add(Schema.java:273)  
at org.h2.engine.Database.addSchemaObject(Database.java:908)  
at org.h2.command.ddl.CreateView.update(CreateView.java:135)  
at org.h2.command.ddl.SchemaOwnerCommand.update(SchemaOwnerCommand.java:33)  
at org.h2.command.CommandContainer.update(CommandContainer.java:169)  
at org.h2.command.CommandList.executeRemaining(CommandList.java:58)  
at org.h2.command.CommandList.update(CommandList.java:66)  
at org.h2.command.CommandList.executeRemaining(CommandList.java:58)  
at org.h2.command.CommandList.update(CommandList.java:66)  
at org.h2.command.CommandList.executeRemaining(CommandList.java:58)  
at org.h2.command.CommandList.update(CommandList.java:66)  
at org.h2.command.CommandList.executeRemaining(CommandList.java:58)  
at org.h2.command.CommandList.update(CommandList.java:66)  
at org.h2.command.Command.executeUpdate(Command.java:252)  
… 20 more

ng(CommandList.java:58)  
at org.h2.command.CommandList.update(CommandList.java:66)  
at org.h2.command.Command.executeUpdate(Command.java:252)  
… 20 more

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<div class="post-metadata">

**Author:** ![DmitryBarashev](https://help.ganttproject.biz/user_avatar/help.ganttproject.biz/dmitrybarashev/32/406_2.png) [@DmitryBarashev](https://help.ganttproject.biz/u/DmitryBarashev)\
**Post date:** [October 29, 2026, 2:15pm UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445/4 "2026-10-29T14:15:59Z")

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Did you try restarting GanttProject?

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<div class="post-metadata">

**Author:** ![Brando](https://help.ganttproject.biz/letter_avatar_proxy/v4/letter/b/bcef8e/32.png) [@Brando](https://help.ganttproject.biz/u/Brando)\
**Post date:** [October 29, 2026, 6:43pm UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445/5 "2026-10-29T18:43:54Z")

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I believe so but I can try that again.

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<div class="post-metadata">

**Author:** ![Brando](https://help.ganttproject.biz/letter_avatar_proxy/v4/letter/b/bcef8e/32.png) [@Brando](https://help.ganttproject.biz/u/Brando)\
**Post date:** [October 29, 2026, 6:46pm UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445/6 "2026-10-29T18:46:47Z")

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Closed the application and started it again and still getting the same error.

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<div class="post-metadata">

**Author:** ![DmitryBarashev](https://help.ganttproject.biz/user_avatar/help.ganttproject.biz/dmitrybarashev/32/406_2.png) [@DmitryBarashev](https://help.ganttproject.biz/u/DmitryBarashev)\
**Post date:** [October 30, 2026, 12:10am UTC](https://help.ganttproject.biz/t/opening-cloud-gantt-documents-fails-to-open-and-java-error/12445/7 "2026-10-30T00:10:14Z")

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Can you check if it is reproducible in GanttProject 3.4 Beta VI? You can get it from here: [GanttProject - Download](https://ganttproject.biz/download/gp34)
