I had a small app that was compelling, and then I added in a java class,
and now when I run "lein uberjar" I get java.lang.OutOfMemoryError.
I'm working on my MacBook Pro, 16 gigs of memory
Dependencies were:
:dependencies [
[org.clojure/clojure "1.7.0"]
[com.taoensso/timbre "4.3.1"]
[dire "0.5.4"]
[slingshot "0.12.2"]
[clj-time "0.6.0"]
[org.clojure/test.check "0.9.0"]
[me.raynes/fs "1.4.4"]
[clj-stacktrace "0.2.7"]
[sax/sax "2.0.1"]
[xml-apis/xml-apis "2.0.2"]
[javax.xml.stream/stax-api "1.0-2"]
[overtone/at-at "1.2.0"]
[org.clojure/data.xml "0.1.0-beta1"]
[org.apache.poi/poi "3.9"]
[org.apache.poi/poi-ooxml "3.9"]
]
And the above compiled, but then I added:
[org.eclipse.birt.runtime/org.eclipse.birt.runtime "4.2.2"]
And that was about when things fell apart.
In my project.clj I also have:
:source-paths ["src/clojure"]
:java-source-paths ["src/java"]
And I have added one Java file to src/java:
package com.heddy.excel_to_csv;
import java.io.InputStream;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.poi.openxml4j.opc.PackageAccess;
import org.apache.poi.xssf.eventusermodel.XLSX2CSV;
import org.apache.poi.xssf.eventusermodel.XSSFReader;
import org.apache.poi.xssf.model.SharedStringsTable;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;
public class SheetHandler extends DefaultHandler {
private SharedStringsTable sst;
private String lastContents;
private boolean nextIsString;
private SheetHandler(SharedStringsTable sst) {
this.sst = sst;
}
public void startElement(String uri, String localName, String name,
Attributes attributes) throws SAXException {
// c => cell
if(name.equals("c")) {
// Print the cell reference
System.out.print(attributes.getValue("r") + " - ");
// Figure out if the value is an index in the SST
String cellType = attributes.getValue("t");
if(cellType != null && cellType.equals("s")) {
nextIsString = true;
} else {
nextIsString = false;
}
}
// Clear contents cache
lastContents = "";
}
public void endElement(String uri, String localName, String name)
throws SAXException {
// Process the last contents as required.
// Do now, as characters() may be called more than once
if(nextIsString) {
int idx = Integer.parseInt(lastContents);
lastContents = new
XSSFRichTextString(sst.getEntryAt(idx)).toString();
nextIsString = false;
}
// v => contents of a cell
// Output after we've seen the string contents
if(name.equals("v")) {
System.out.println(lastContents);
}
}
public void characters(char[] ch, int start, int length)
throws SAXException {
lastContents += new String(ch, start, length);
}
}
I have never used a Java file like this before, so I wasn't sure how to
proceed. I invented the "package" name, which could be all wrong.
I've stolen the Java code from here:
https://svn.apache.org/repos/asf/poi/trunk/src/examples/src/org/apache/poi/xssf/eventusermodel/examples/FromHowTo.java
Any thoughts why I would get an OutOfMemory?
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