ontometrics / scraper Goto Github PK
View Code? Open in Web Editor NEWFor scraping content out of pages and/or feeds.
For scraping content out of pages and/or feeds.
OOM happened in DefaultFieldExtractor.getFields() method
`java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:3332)
at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:137)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:121)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:622)
at java.lang.StringBuilder.append(StringBuilder.java:202)
at java.lang.StringBuilder.append(StringBuilder.java:76)
at net.htmlparser.jericho.Renderer$HR_ElementHandler.processBlockContent(Renderer.java:1193)
at net.htmlparser.jericho.Renderer$AbstractBlockElementHandler.process(Renderer.java:1111)
at net.htmlparser.jericho.Renderer$Processor.appendSegmentProcessingChildElements(Renderer.java:852)
at net.htmlparser.jericho.Renderer$Processor.appendTo(Renderer.java:823)
at net.htmlparser.jericho.Renderer.appendTo(Renderer.java:140)
at net.htmlparser.jericho.CharStreamSourceUtil.toString(CharStreamSourceUtil.java:63)
at net.htmlparser.jericho.Renderer.toString(Renderer.java:150)
at com.ontometrics.scraper.extraction.DefaultFieldExtractor.extractFieldsFromUL(DefaultFieldExtractor.java:312)
at com.ontometrics.scraper.extraction.DefaultFieldExtractor.extractFieldsFromULs(DefaultFieldExtractor.java:204)
at com.ontometrics.scraper.extraction.DefaultFieldExtractor.getFields(DefaultFieldExtractor.java:65)`
The page content on which failure happens is referred to in test DefaultFieldExtractorTest.canExtractFieldsWOOutOfMemoryError().
Right now DefaultFieldExtractor will remove all new lines (including <BR>s) from field values (because it uses element.getTextExtractor().toString() such as in getValueFieldText()).
We should be able to replace BRs with semicolons so that we can parse contact fields better, i.e., separated name, job title and address lines.
I am going through a list of issues right now so I don't have the exact details, consider this a placeholder for now.
Ask me (Garam) when more details are needed, I can provide a failing test.
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