TrueTypeFont导致OOM

引用版本：2.11.6
引用POM：
    <dependency>
        <groupId>wiki.xsx</groupId>
        <artifactId>x-easypdf-pdfbox</artifactId>
        <version>2.11.6</version>
    </dependency>
报错信息：
at java.lang.OutOfMemoryError.<init>()V (OutOfMemoryError.java:48)
  at java.util.HashMap.resize()[Ljava/util/HashMap$Node; (HashMap.java:699)
  at java.util.HashMap.putVal(ILjava/lang/Object;Ljava/lang/Object;ZZ)Ljava/lang/Object; (HashMap.java:624)
  at java.util.HashMap.put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object; (HashMap.java:607)
  at org.apache.fontbox.ttf.CmapSubtable.processSubtype4(Lorg/apache/fontbox/ttf/TTFDataStream;I)V (CmapSubtable.java:428)
  at org.apache.fontbox.ttf.CmapSubtable.initSubtable(Lorg/apache/fontbox/ttf/CmapTable;ILorg/apache/fontbox/ttf/TTFDataStream;)V (CmapSubtable.java:99)
  at org.apache.fontbox.ttf.CmapTable.read(Lorg/apache/fontbox/ttf/TrueTypeFont;Lorg/apache/fontbox/ttf/TTFDataStream;)V (CmapTable.java:87)
  at org.apache.fontbox.ttf.TrueTypeFont.readTable(Lorg/apache/fontbox/ttf/TTFTable;)V (TrueTypeFont.java:361)
  at org.apache.fontbox.ttf.TrueTypeFont.getTable(Ljava/lang/String;)Lorg/apache/fontbox/ttf/TTFTable; (TrueTypeFont.java:150)
  at org.apache.fontbox.ttf.TrueTypeFont.getCmap()Lorg/apache/fontbox/ttf/CmapTable; (TrueTypeFont.java:262)
  at org.apache.fontbox.ttf.TrueTypeFont.getUnicodeCmapImpl(Z)Lorg/apache/fontbox/ttf/CmapSubtable; (TrueTypeFont.java:557)
  at org.apache.fontbox.ttf.TrueTypeFont.getUnicodeCmap(Z)Lorg/apache/fontbox/ttf/CmapSubtable; (TrueTypeFont.java:515)
  at org.apache.fontbox.ttf.TrueTypeFont.getUnicodeCmap()Lorg/apache/fontbox/ttf/CmapSubtable; (TrueTypeFont.java:501)
  at org.apache.pdfbox.pdmodel.font.TrueTypeEmbedder.<init>(Lorg/apache/pdfbox/pdmodel/PDDocument;Lorg/apache/pdfbox/cos/COSDictionary;Lorg/apache/fontbox/ttf/TrueTypeFont;Z)V (TrueTypeEmbedder.java:120)
  at org.apache.pdfbox.pdmodel.font.PDCIDFontType2Embedder.<init>(Lorg/apache/pdfbox/pdmodel/PDDocument;Lorg/apache/pdfbox/cos/COSDictionary;Lorg/apache/fontbox/ttf/TrueTypeFont;ZLorg/apache/pdfbox/pdmodel/font/PDType0Font;Z)

Apache/pdfbox

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