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Re: [eclipselink-users] NullPointerException using Expression anyOf(...)
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I can't see how a null-pointer could occur here, please verify the
null-pointer is not in your own code and include the exception and stack
trace.
Also include how you are executing the query with the expression.
rahul.thakur.xdev wrote:
>
> Hello,
>
> I am building a query using ExpressionBuilder but running into an
> NullPointerException.
>
> Here's my scenario: there's a Project entity with a one-to-many
> relationship with a WorkOrder.
>
> I need to build a query (using inputs from a Search form), if a Project
> name or code were submitted, I need to include that criteria, plus I need
> to include criteria specifying WorkOrder Number (alpha-numeric).
>
> So, here's what I created (snippet below), but I see a
> NullPointerException coming from the implementation of anyOf(...) method.
> I am wondering if I am using it the wrong way or perhaps if its an
> EclipseLink bug that I am running into.
>
> Much appreciate any pointers.
>
> Thanks,
>
> Rahul
>
>
> ExpressionBuilder project = new
> ExpressionBuilder();
> Expression exp = null;
>
> if (null != this.projectNameNumber
> && !this.projectNameNumber.trim().equals(""))
> exp = project.get("name").like(
> "%" + this.projectNameNumber + "%").or(
> project.get("code").like(
> "%" + this.projectNameNumber + "%"));
>
> if (null != this.workOrderNumber
> && !this.workOrderNumber.trim().equals("")) {
> if (null != exp)
> exp = exp.anyOf("workOrders").get("code").like(
> this.workOrderNumber);
> else
> exp = project.anyOf("workOrders").get("code").like(
> "%" + this.workOrderNumber + "%");
> }
>
>
>
-----
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