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IndexOutOfBoundsException encountered by LogsProcessor #13109

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damithc opened this issue May 4, 2024 · 2 comments · Fixed by #13120
Closed

IndexOutOfBoundsException encountered by LogsProcessor #13109

damithc opened this issue May 4, 2024 · 2 comments · Fixed by #13120
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p.Medium Marginal impact; would like to do if time permits s.ToInvestigate The issue sounds complete but needs validation by a core team member

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@damithc
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damithc commented May 4, 2024

V9-0-0-beta.6

Found in production server logs. Happened at least 3 times so far within last 24 hours

Error Message: IndexOutOfBoundsException caught by WebApiServlet: Index -1 out of bounds for length 0
caused by java.lang.IndexOutOfBoundsException: Index -1 out of bounds for length 0
at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
at jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248)
at java.util.Objects.checkIndex(Objects.java:372)
at java.util.ArrayList.get(ArrayList.java:459)
at teammates.logic.api.LogsProcessor.getNumberOfLogsForEvent(LogsProcessor.java:88)
at teammates.ui.webapi.CalculateUsageStatisticsAction.execute(CalculateUsageStatisticsAction.java:30)
at teammates.ui.webapi.CalculateUsageStatisticsAction.execute(CalculateUsageStatisticsAction.java:17)
at teammates.ui.servlets.WebApiServlet.executeWithTransaction(WebApiServlet.java:128)
at teammates.ui.servlets.WebApiServlet.invokeServlet(WebApiServlet.java:66)
at teammates.ui.servlets.WebApiServlet.doGet(WebApiServlet.java:38)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:500)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:587)
at ...
@damithc damithc added p.Medium Marginal impact; would like to do if time permits s.ToInvestigate The issue sounds complete but needs validation by a core team member labels May 4, 2024
@damithc
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damithc commented May 5, 2024

Still happening, a few times a day.

@Ashwinn11
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This can be fixed by just adding a check whether the list is empty or not. Can I work on this?

Ashwinn11 added a commit to Ashwinn11/teammates that referenced this issue May 23, 2024
@Ashwinn11
TEAMMATES#13109-added check to see if logs is empty
fa70739
@Ashwinn11 Ashwinn11 mentioned this issue May 23, 2024
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Ashwinn11 added a commit to Ashwinn11/teammates that referenced this issue May 25, 2024
@Ashwinn11
[TEAMMATES#13109] IndexOutOfBoundsException encountered by LogsProcessor
0ff1c58
wkurniawan07 pushed a commit that referenced this issue Jun 12, 2024
@Ashwinn11 @domoberzin
[#13109] IndexOutOfBoundsException encountered by LogsProcessor (#13120)
ec1f276 
* #13109-added check to see if logs is empty

* switch back to logs.get(list.size()-1)

* [#13109] IndexOutOfBoundsException encountered by LogsProcessor

---------

Co-authored-by: domoberzin <[email protected]>
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[#13109]-IndexOutOfBoundsException encountered by LogsProcessor Ashwinn11/teammates
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@damithc @Ashwinn11