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POHow to log Java Events to a text file?
 

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  1. POHow to log Java Events to a text file?
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    <p>How to log the Line logger.severe to a file. I just see it in the console. BTW, may I please ask another question, is that how can you skip the row after the severe event, I tried to continue, but it just skips to the next column... Thank you for taking time to help</p> <pre><code> private Product2 readProductRow(XSSFSheet ws, int r) throws SQLException { Product2 p = new Product2(); try { XSSFRow rowData = ws.getRow(r); for (int j = 0; j &lt; 5; j++) { // read the first rcord XSSFCell cell = rowData.getCell(j); java.util.Date val = null; String value = null; FormulaEvaluator evaluator = ws.getWorkbook().getCreationHelper().createFormulaEvaluator(); if (cell !=null) { switch (evaluator.evaluateFormulaCell(cell)) { case Cell.CELL_TYPE_BOOLEAN: value = cellToString(cell); break; case Cell.CELL_TYPE_NUMERIC: if (DateUtil.isCellDateFormatted(cell)) { val = cell.getDateCellValue(); } break; case Cell.CELL_TYPE_STRING: value = cellToString(cell); break; case Cell.CELL_TYPE_BLANK: break; case Cell.CELL_TYPE_ERROR: break; case Cell.CELL_TYPE_FORMULA: value = cellToString(cell); break; } if (value == null &amp;&amp; val == null) { if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC &amp;&amp; DateUtil.isCellDateFormatted(cell)) { val = cell.getDateCellValue(); } else value = cellToString(cell); } if (value == null &amp;&amp; val == null) { if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC &amp;&amp; DateUtil.isCellDateFormatted(cell)) { val = cell.getDateCellValue(); } } switch (j) { case 0: if (value == null || value.toString().trim().equals("")) { logger.severe("第"+ r + "行纪录没有大类编码，没有汇入" ); continue; } else { char tid = db.getCategoryID(value.charAt(0)); if (tid == 'X') { db.insertCategory(value.charAt(0)); Category tex = db.getCategory(value); tid = tex.getCode(); } p.setCategoryID(tid); t = tid; } break; case 1: if (value == null || value.toString().trim().equals("")) { </code></pre>
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    1. COPlease format your code to make it readable.
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    2. COBetter now? Thanks
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    3. COI wonder which jars do I include. I tried slf4j-ext-1.7.5.jar plus slf4j-log4j12-1.7.5.jar plus slf4j-api-2.0.99.jar but I still need to cast the returned object of getLogger, is it an expected behaviour?
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