Import Of .XLSX formatted File Results in "Java Heap Space" Errors in SQL Developer

(Doc ID 2349853.1)

Last updated on JANUARY 23, 2018

Applies to:

Oracle SQL Developer - Version 17.3.1 to 17.4
Information in this document applies to any platform.

Symptoms

Trying to import a large file of type .xlsx throws 'Java heap space' memory errors.

Steps to Reproduce:

1. Invoke SQL Developer.
2. Open connection to desired database.
2. Go to the recipient table in hierarchy, right-click and choose IMPORT DATA
4. On the data preview window, browse for xlsx file
5. Open this Import Data File
6. Fails with reported error:

Already tried options in <Note:2237489.1>. That is, increased the JVM's memory limit (Add64VMOption -Xmx2048m) in product.conf (%APPDATA%\sqldeveloper\<version>\product.conf), but error persists.

Changes

 No changes, just using the normal SQL Developer configurations and settings.

Cause

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