nosuchfieldexception

Determine class type of Generic typed field

由 旧城冷巷雨未停 提交于 2020-01-25 07:51:05
问题 I am getting NoSuchFieldException for the following piece of code: public class MultipleSorting<T> extends Observable { private SelectItem[] criteria1; private SelectItem[] order1; private SelectItem[] criteria2; private SelectItem[] order2; private SelectItem[] criteria3; private SelectItem[] order3; private T criteriaType; private T selectedCriteria1; private SortOrder selectedOrder1; private T selectedCriteria2; private SortOrder selectedOrder2; private T selectedCriteria3; private

Using ProGuard causes NoSuchFieldError for ACRA

由 邮差的信 提交于 2020-01-02 01:38:46
问题 I use ACRA 4.4.0 in my Android apps to receive crash reports from users. My IDE is ADT Build: v22.2.1-833290. Few days ago I've started using ProGuard for apps I'm going to publish on Google Play. When I install and start exported signed apk, a NoSuchFieldError occures for fields used in ACRA reports. My code is: @ReportsCrashes(formKey = <my_key>, mailTo = <my_email>, customReportContent = { ReportField.APP_VERSION_CODE, ReportField.APP_VERSION_NAME, ReportField.ANDROID_VERSION, ReportField

NoSuchFieldError when reading Excel sheet in java

由 断了今生、忘了曾经 提交于 2019-12-23 09:37:45
问题 I've followed a simple guide to constructing a workbook using Apache POI XSSF. Following the same guide I was able to WRITE an Excel sheet, however when attempting to read from one, I'm receiving the error displayed after the code. Code: try { FileInputStream file = new FileInputStream(new File("howtodoinjava_demo.xlsx")); // Create Workbook instance holding reference to .xlsx file XSSFWorkbook workbook = new XSSFWorkbook(file); // Get first/desired sheet from the workbook XSSFSheet sheet =

Java String Mutability - java.lang.NoSuchFieldException: offset

由 杀马特。学长 韩版系。学妹 提交于 2019-12-22 10:17:37
问题 I'm new to Java and I saw a Q&A section here with two examples where mutability is removed. Upon testing MutableString.java: import java.lang.reflect.Field; public class MutableString { public static void main(String[] args) { String s = "Immutable"; String t = "Notreally"; mutate(s, t); StdOut.println(t); // strings are interned so this doesn't even print "Immutable" (!) StdOut.println("Immutable"); } // change the first min(|s|, |t|) characters of s to t public static void mutate(String s,

Java String Mutability - java.lang.NoSuchFieldException: offset

由 我的未来我决定 提交于 2019-12-05 19:10:33
I'm new to Java and I saw a Q&A section here with two examples where mutability is removed. Upon testing MutableString.java : import java.lang.reflect.Field; public class MutableString { public static void main(String[] args) { String s = "Immutable"; String t = "Notreally"; mutate(s, t); StdOut.println(t); // strings are interned so this doesn't even print "Immutable" (!) StdOut.println("Immutable"); } // change the first min(|s|, |t|) characters of s to t public static void mutate(String s, String t) { try { Field val = String.class.getDeclaredField("value"); Field off = String.class

java.lang.NoSuchFieldError: IBM_JAVA for a simple hbase java client in Eclipse

由 ╄→尐↘猪︶ㄣ 提交于 2019-12-01 10:55:50
问题 As the title goes.My source code is: package hbase; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.hbase.HBaseConfiguration; import org.apache.hadoop.hbase.HColumnDescriptor; import org.apache.hadoop.hbase.HTableDescriptor; import org.apache.hadoop.hbase.client.HBaseAdmin; import org.apache.hadoop.hbase.util.Bytes; public class HbaseExampleClient { public static void main(String[] args) throws IOException { Configuration config =
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