java.lang.NullPointerException: This exception has no message.

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, 1 year ago
at$ Source)
at$PeekInputStream.readFully(Unknown Source)
at$BlockDataInputStream.readShort(Unknown Source)
at Source)
at Source)
at net.sf.jasperreports.engine.util.ContextClassLoaderObjectInputStream.(
at net.sf.jasperreports.engine.util.JRLoader.loadObject(
at Util.ReportUtils.openReport(
at Telas.TRelPedido.btnGerarActionPerformed(
at Telas.TRelPedido.access$200(
at Telas.TRelPedido$3.actionPerformed(

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